Free Printable U8 Sub 1 Review

1.

The data in the table show sales for a certain department store (in billions of dollars). Find the line of best fit.

a)

$y=16.4571x-32598$

b)

$y=16.4571x+32598$

c)

$y=32598x-16.4571$

d)

$y=16.4571x$

2.

Using the line of best fit, estimate the stores sales (in dollars) in 2018.

3.

The data in the table to the left gives the weight, in pounds and BMI (body mass index) for six people of the same height. Find the line of best fit.

a)

$y=0.14x\ +\ 0.25$

b)

$y=0.25x\ -0.14$

c)

$y=0.14x\ -0.25$

d)

$y=0.25x\ +\ 0.14$

4.

Using your line of best fit, estimate Sam's weight since he has a BMI of 25.

5.

The table shows the annual tuition, in thousands, at a public four-year college from 1990 to 2010. Find the line of best fit.

a)

$y=340x\ -\ 172.95$

b)

$y=172.95x-340383$

c)

$y=340383x\ +\ 172.95$

d)

$y=172.95x\ +\ 340383$

6.

Using your line of best fit, estimate the year in which the annual tuition will reach $10,000.

7.

The table shows the value of a car based on the number of miles displayed on its odometer. Find the line of best fit.

a)

$y=26000x\ -\ 0.1$

b)

$y=0.1x\ +\ 26000$

c)

$y=26000x\ +\ 0.1$

d)

$y=-0.1x\ +\ 26000$

8.

The table shows the value of a car based on the number of miles displayed on its odometer. Estimate the value of the car if its odometer reads 95,000 miles.

9.

The table shows the number of rabbits at a petting farm each year since 2008. Find the line of best fit.

a)

$y=8.2x\ -\ 16451\$

b)

$y=8.2x\ +\ 16451$

c)

$y=16451x\ -\ 8.2$

d)

$y=16451x\ +8.2$

10.

Using your line of best fit, estimate the number of rabbits at the farm in 2016.

11.

The table shows the population of a city in millions of people since 1950. Find the line of best fit.

a)

$y=35.946x\ +0.0175$

b)

$y=-0.0175x\ +\ 35.946$

c)

$y=0.0175x\ +\ 35.946$

d)

$y=35.946x\ -\ 0.0175$

12.

The tables shows the population of a city, in millions of people, since 1950. Estimate the population of the city in 2020.

13.

This table show the average price of a movie ticket at the theater. Find the line of best fit.

a)

$y=0.1868x+367.952$

b)

$y=367.52x\ -0.1868$

c)

$y=0.1868x-367.952$

d)

$y=-367.952x\ +\ 0.1868$

14.

The table shows the average price of movie ticket at a theater. In what year will the average price of movie ticket reach $15?

15.

The table shows the number of people, in millions, who voted in US Presidential Elections. Find the line of best fit.

a)

$y=1.45x_{\ }-2780.9$

b)

$y=1.45x+2780.9$

c)

$y=-2780.9x\ +\ 1.45$

d)

$y=2780.9x-1.45$

16.

Using your line of best fit, estimate the number of voters in 2020 election.

17.

What is a line of best fit used for?

a)

To make predictions

b)

To determine the zeros of the function.

c)

To connect the points

d)

To determine the average of the y-value.

18.

According to the trend line, if someone runs 3 miles each week, what % body fat might they have?

a)

24

b)

21

c)

18

d)

15

19.

The table represents the height and weight of cats. Find the line of best fit.

a)

$y=4.59x-2.03$

b)

$y=2.03x-4.59$

c)

$y=2.03x+4.59$

d)

$y=-4.59x\ +\ 2.03$

20.

What does the equation of line of best fit look like?

a)

Quadratic Equation

ax²+bx+c=0

b)

Standard Equation

Ax+By = C

c)

Slope Intercept Form

y=mx+b

d)

Cubic Equation

ax³+bx²+cx+d=0

21.

What is the trend for this scatter plot

a)

Negative

b)

Positive

c)

None

22.

What type of association does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

23.

About how many male math teachers were there in 2006?

a)

15

b)

30

c)

35

d)

45

24.

What type of association does this graph show?

a)

Positive

b)

negative

c)

none

d)

all of the above

25.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

26.

If the line of best fit is given, y = 31.45x - 242.3, where x represents hours and y represents income...

Determine the predicted income if 22 hours were worked on an assembly job.

a)

$207.30

b)

$449.60

c)

$691.90

d)

$543.30

27.

Is this line an accurate line estimate of best fit for the data?

a)

Yes

b)

No

28.

What type of Correlation?

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

29.

What type of Correlation?

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

30.

The table shows the height of a tree for various years after it was planted. Calculate the line of best fit where x = age and y = height.

a)

y = .89x - 3.42

b)

y = .96x + 8.47

c)

y = .78x + 5.35

d)

y = .56x + 6.23

31.

The table shows the height of a tree for various years after it was planted. Using the line of best fit, how tall would the tree be 30 years after it was planted?

a)

22 feet

b)

23 feet

c)

36 feet

d)

37 feet

32.

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

a)

f(x) = 25.05x + 5.57

b)

f(x) = 5.57x + 25.05

c)

f(x) = -5.57x + 25.05

d)

f(x) = 5.57x - 25.05

33.

The line of best fit for the height of a tree for various years after it was planted is

y = .96x + 8.47

Predict the height of a tree 30 years after it was planted.

a)

22 feet

b)

23 feet

c)

36 feet

d)

37 feet

34.

What type of association does this graph have?
(a)

Choose from the below words

positive

negative

none

all of the above

35.

What type of association does this graph have?

(a)

36.

What type of association does this scatter plot represent?
(a)

Choose from the below words

no association

positive association

negative association

nonlinear association

37.

Label the type of association:

(a)

Choose from the below words

Negative

Positive

No Association

38.

Label they type of association:

(a)

39.

Label they type of association:

(a)

40.

Label they type of association: (a)

Choose from the below words

No Association

Positive

Negative

41.

What is another term for trend line? (a)

Choose from the below words

Straight line

Linear

Line of Best Fit

42.

Which graph shows the best trend line for the scatter plot?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

43.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

44.

The scatterplot shows the results of study comparing the length of a person's foot to the width.

How can you describe the correlation of the within the context of the situation?

a)

There is no correlation.

b)

As the length of a person's foot increases, the width increases.

c)

As the length of the person's foot increases, the width decreases.

d)

The tall a person is, the bigger their shoe size will be.

45.

Which scatter plot(s) could be used to show the relationship between a person's age and a person's height?

a)

3

b)

4

c)

5

d)

6

46.

Which scatter plot(s) could be used to show the relationship between a person's age and the number of syllables in a person's first and last name?

a)

3

b)

4

c)

5

d)

6

47.

When scatter plots demonstrate a linear relationship, a(n) (a) can be used to show the general pattern of the data.

Choose from the below words

line of best fit

outlier

association

cluster

48.

What is the slope - intercept form?

a)

y = mx + b

b)

$\frac{y_2-y_1}{x_2-x_1}$

49.

How do I determine the slope of the trend line from a graph?

a)

$\frac{Rise\ }{Run}$

b)

look where the line crosses the y-axis

c)

use the slope formula

50.

How do I determine the y-intercept of the trend line from a graph?

a)

$\frac{Rise\ }{Run}$

b)

look where the line crosses the y-axis

c)

use the slope formula

51.

Write the equation of the trend line in slope-intercept form.

a)

$y=-\frac{1}{2}x+6$

b)

$y=\frac{1}{2}x-6$

c)

$y=6x+\frac{1}{2}$

d)

$y=-6x+\frac{1}{2}$

52.

Write an equation of the trend line in slope-intercept form.

a)

$y\ =\ -2x-155$

b)

$y=25x+150$

c)

$y=\ 150x+200$

d)

$y=-30x+150$

53.

Write an equation of the trend line in slope-intercept form.

a)

$y\ =\ 10x$

b)

$y=3x+250$

c)

$y=25x$

d)

$y=50x$

54.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

True or False:

The group of hikers descends about 250 feet every minute.

Hint: What's the unit rate, slope?

a)

True

b)

False

55.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

True or False:

As time increases, the elevation increases.

a)

True

b)

False

56.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

The hikers began at an elevation of (a) feet.

57.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

As time increases, the elevation (a)

58.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

The graph shows a (a) association.

59.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

True or False:

There are several outliers in the scatter plot.

a)

True

b)

False

60.

Which scatter plot shows a linear relationship between x and y?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

61.

About how many male math teachers were there in 2006?

(a)

62.

About how many male math teachers were there in 2011?

(a)

63.

What is the association between the school year (x) and the number of male teachers (y).

(a)

64.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

a)

150 pages

b)

170 pages

c)

190 pages

d)

210 pages

65.

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

a)

A. 50 min

b)

B. 80 min

c)

C. 45 min

d)

D. 60 min

66.

Which sentence describes the relationship shown on this scatter plot?

a)

As the temperature decreases, the visitors increase.

b)

As the temperature increases, the number of visitors increases.

c)

As the visitors increase, the temperature decreases.

d)

No correlation

67.

Jules conducted a survey and asked 100 people how many years of education they have and what their annual income is. She used the results to make a scatter plot.

What type of association should she expect to see in the scatter plot?

a)

Positive Association

b)

Negative Association

c)

No Association

68.

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot.

What type of association should he expect to see in the scatter plot?

a)

Positive Association

b)

Negative Association

c)

No Association

69.

The height of students and their scores on a test. (a)

Choose from the below words

no association

positive association

negative association

70.

The number of notebooks bought and the total cost.
(a)

Choose from the below words

positive association

negative association

no association

71.

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

a)

A

b)

B

c)

C

d)

D

72.

How many more girls chose track as the favourite sport than boys?

a)

3

b)

999

c)

9

d)

1

73.

What graph is this ?

a)

Pie chart

b)

Double Bar Graph

c)

Bar graph

d)

Coordinate Grid

74.

Based on this graph , how many more sunny days than rainy days did the city have during the months of April, May and June ?

a)

21

b)

-1

c)

I Don’t know

d)

23

75.

According to the double bar graph , how many students together like mango and chocolate ice - cream ?

a)

2

b)

1

c)

90

d)

40

76.

What is the total number of medals THE FRENCH won ?

a)

123

b)

2346

c)

16

d)

12

77.

what is a double bar graph ?

a)

It is a double bar graph

b)

it is a graphical display of information using two bars besides each other at various heights.

c)

It is a graphical display of data using bars of different heights.

d)

I honestly don’t know 😩

78.

Who created double bar graphs ?

a)

Issac Newton

b)

Neil Raina

c)

Albert Einstein

d)

William playfair

79.

Look at the figure and answer the questions .

a)

i) Maths ii) Hindi

b)

None of the above

c)

i) Hindi ii) English

d)

i) Maths ii) Maths

80.

What information does the bar graph represents?

a)

Different days of week

b)

Number of T.V. sold

c)

Number of T.V. sold from Monday to Saturday

d)

Number of T.V. sold from January to June

81.

In the following bar graph, on which day of the week maximum sale was observed?

a)

Wednesday

b)

Saturday

c)

Thursday

d)

Tuesday

82.

Observe the following graph and find the average sale of TVs from Monday to Saturday.

a)

51.66

b)

44.2

c)

77.5

d)

155

83.

Observe the following data for the number of students who visited the library from January to May. Which bar graph represents this data incorrectly?

a)

b)

c)

d)

84.

In the following graph, what is the difference in the cost of onions in both the towns?

a)

₹ 20 / kg

b)

₹ 15/ kg

c)

₹ 10/ kg

d)

₹ 5/kg

85.

How many people were surveyed?

a)

60

b)

180

c)

240

d)

156

86.

How many students can bike?

a)

16

b)

7

c)

29

d)

11

87.

How many girls have brown hair?

a)

8

b)

10

c)

5

d)

6

88.

Do more students skip breakfast or eat breakfast?

a)

Skip Breakfast

b)

Eat Breakfast

89.

How many students are ages 10-13?

a)

40

b)

14

c)

54

d)

90

90.

How many people drive sports cars?

a)

39

b)

45

c)

84

d)

60

91.

How many middle schoolers play an instrument, but do not play a sport?

a)

3

b)

7

c)

11

d)

8

92.

How many boys can't bike?

a)

4

b)

11

c)

14

d)

7

93.

How many females were surveyed?

a)

10

b)

16

c)

26

d)

14

94.

How many people attended the basketball game and the school play?

a)

63

b)

55

c)

143

d)

118

95.

How many chemical engineers chose Science as their favorite subject?

a)

80

b)

91

c)

171

d)

262

96.

What number should go in the blue box?

a)

21

b)

135

c)

19

d)

22

97.

Which age group liked Action movies the least? (a)

Choose from the below words

18-25

25-49

50+

238

98.

How many people purchased no food and no drink?

99.

How many people did not attend the school play?

100.

How many people attended the basketball game but did not attend the school play?

101.

What number should go in the blue box?

102.

How many chemical engineers chose Science as their favorite subject?

103.

How many females were surveyed? (Be careful - This table is missing the totals.)

a)

45

b)

73

c)

16

d)

12

104.

How many males were surveyed? (Be careful - This table is missing the totals.)

a)

77

b)

15

c)

150

d)

52

105.

What color car is the least popular at this car dealership?

a)

Red

b)

White

c)

Blue

d)

Green

106.

How many sophomores like burritos and pizza?

a)

6

b)

5

c)

11

d)

50

107.

How many females studied Spanish?

a)

13

b)

30

c)

24

d)

17

108.

How many Males studied a language in total?

a)

41

b)

72

c)

31

d)

41

109.

How many students were in the survey all together?

a)

30

b)

42

c)

62

d)

72

110.

How many male students studied French?

a)

18

b)

13

c)

24

d)

17

111.

How many students studied French?

a)

31

b)

41

c)

30

d)

42

112.

How many female students studied a language?

a)

31

b)

41

c)

30

d)

42

113.

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

a)

As x increases, y decreases

b)

As x increases, y increases

c)

As x decreases, y decreases

114.

What would the correlation be between math grades and the time it takes to run a mile ?

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

d)

Cannot Be Determined

115.

Which of the following lines represents the line of best fit for the scatter plot?

a)

A

b)

B

c)

C

d)

D

116.

What type of correlation does this scatter plot show?

a)

positive linear association

b)

negative linear association

c)

no association

d)

nonlinear association

117.

In a scatterplot, an outlier...

a)

...is something we didn't learn 8th grade

b)

...is a puppet with a long nose named Pinocchio

c)

...is a point that is far outside the main cluster of points/ordered pairs

d)

...is a really naughty point who doesn't tell the truth when outside

118.

What type of association does this scatter plot represent?

a)

positive linear association

b)

negative association

c)

no association

d)

nonlinear association

119.

What bin would 75 go into?

a)

60-70

b)

70-80

c)

75-80

d)

both red and blue

120.

What type of graph is this?

a)

Bar Graph

b)

Line Plot

c)

Pictograph

d)

Tally Chart

121.

What type of graph is this?

a)

Bar Graph

b)

Pictograph

c)

Line Plot

d)

Tally Chart

122.

What type of graph is this?

a)

Bar Graph

b)

Pictograph

c)

Line Plot

d)

Tally Chart

123.

How many students have blue for a favorite color?

a)

11

b)

12

c)

14

d)

17

124.

How many more people have purple for a favorite color than red?

a)

3

b)

5

c)

7

d)

9

125.

How many people have four books in their desks?

a)

2

b)

3

c)

4

d)

5

126.

How many people have two or less books in their desk?

a)

4

b)

5

c)

6

d)

7

127.

Which color is the most favorite?

a)

red

b)

green

c)

yellow

d)

blue

128.

How many people like either mushroom or pepperoni the best?

a)

1

b)

20

c)

50

d)

100

129.

What type of correlation is shown?

a)

positive linear

b)

negative non-linear

c)

negative linear

d)

positive non-linear

130.

What is the cost of one year at this university?

a)

$22,030

b)

$25,000

c)

$35,000

d)

$9,660

131.

Numbers on the Y- or X-axis representing quantities.

a)

tick marks

b)

scale

c)

labels

d)

legend

132.

According to the pie chart, the United States relies on fossil fuels for about what percentage of its energy?

a)

30%

b)

45%

c)

60%

d)

80%

133.

Where does the majority of electrical energy come from in Oregon?

a)

Hydroelectric

b)

Natural Gas

c)

Wood

d)

Wind

134.

Which of the following best describes the motion of the squirrel between 5 s and 8 s?

a)

The squirrel's speed increased.

b)

The squirrel's speed decreased.

c)

The squirrel's speed did not change.

d)

The squirrel moved backward.

135.

Is this a bar chart or histogram?

a)

Bar chart

b)

Histogram

136.

What type of graph is this?

a)

Bar Graph

b)

Line Plot

c)

Pictograph

d)

Tally Chart

137.

How many students were greater than 55 inches tall but less than 70 inches tall?

a)

13

b)

15

c)

16

d)

17

138.

How many students have more than 1,000 songs on their MP3 player?

a)

5

b)

16

c)

10

d)

4

139.

If a scatterplot has no correlation then...

a)

...it has no ordered pairs

b)

...it has ordered pairs that have a negative pattern

c)

...its ordered pairs have no predictable pattern

d)

..it has ordered pairs that have a positive pattern

140.

As x increases, y increases

a)

both positive and negative correlation

b)

no correlation

c)

positive correlation

d)

negative correlation

141.

What type of correlation (association) would we see in the scatter plot of the following situation?
The outside temperature and the amount of layers of clothing you wear.

a)

Positive correlation

b)

Negative correlation

c)

No correlation

d)

All of the above

142.

What are Adrian's highest and lowest homework grades?

a)

7 and 10

b)

73 and 100

c)

3 and 9

143.

What is the range of Adrian's homework grades?

a)

73

b)

10

c)

27

d)

100

144.

What is(are) the mode(s) of Adrian's homework grades?

a)

0

b)

95

c)

78

d)

78 and 95

145.

What was the most and least goals scored by teammates?

a)

5 and 1

b)

8 and 0

c)

1 and 6

d)

1 and 8

146.

What is the range of goals scored by teammates?

a)

8

b)

5

c)

3

d)

1

147.

What is the mode of the data?

a)

0

b)

1

c)

2

d)

8

148.

What is the shape of the data distribution?

a)

Centered

b)

Left Skewed

c)

Right Skewed

d)

Uniform

149.

What is the outlier of the data?

a)

There is no outlier

b)

-5

c)

6

d)

0

150.

What was the lowest and highest attendance?

a)

0 and 36

b)

4 and 32

c)

8 and 28

d)

0 and 28

U8 Sub 1 Review

Total questions: 150

Worksheet time: 8hrs 28mins

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