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Data Analysis Cumulative Practice 2/11

Total questions: 100

Worksheet time: 4hrs 11mins

Name
Class
Date
1.

What does point C on the box plot represent?

a)

First Quartile

b)

Median

c)

Third Quartile

d)

Mean

2.

What do points B and D represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

3.

What do points A and E represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

4.

What is the median of this data set?

a)

8

b)

12

c)

15

d)

19

5.

What is the range of this data set?

a)

6

b)

12

c)

13

d)

19

6.

What is the range of this data set?

a)

6

b)

12

c)

13

d)

19

7.
What value is the lower quartile?
a)
66
b)
58
c)
60
d)
64
8.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
9.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
10.
What is the maximum value?
a)
58
b)
66
c)
64
d)
60
11.
What is the term for the median of the lower half of the data?
Hint: Look at your notes!
a)
Lower Quartile
b)
Upper Quartile
c)
Median
d)
Maximum
12.
What is the term for the median of the upper half of the data?
Hint: Look at your notes!
a)
Upper Quartile
b)
Lower Quartile
c)
Median
d)
Minimum
13.
What is the term that means the middle data value?
Hint: Look at your notes!
a)
Median
b)
Mode
c)
Mean 
d)
Range
14.
What two values do the "whiskers" stand for on a box and whisker plot?
a)
Minimum and Maximum
b)
Lower and Upper Quartile
15.
Which box and whisker plot has the smallest lower quartile (Q1)?
a)
Top plot
b)
Bottom plot
16.
Which city has a higher median?
a)
Millersburg
b)
Arcadia
17.
Which box and whisker plot shows more "spread out" data?
a)
Top plot
b)
Bottom plot
18.

Look at the bar graph and answer the following question:

What does the vertical axis show?

a)

Percentage

b)

The type of allergy

c)

The percentage of children between 0-17 years

19.

Look at the bar graph and answer the following question:

What does the horizontal axis show?

a)

Percentage

b)

The type of allergy

c)

The percentage of children between 0-17 years

20.
What is the total number of parks?
a)
46
b)
16
c)
48
d)
52
21.
Which interval has the greatest number of employees?
a)
11-21
b)
33-43
c)
77-87
d)
44-54
22.
How many people watched more than 6 hours of TV?
a)
10
b)
5
c)
20
d)
17
23.

Is this an example of a histogram?

a)

a. yes because a histogram is a bar graph

b)

b. no because the bars are not touching

c)

c. no because the data is quantitative

d)

d. no because the data is qualitative

e)

e. Both option b and d are correct

24.
Is a histogram the same as a bar graph?
a)
Yes, because they both use intervals.
b)
No, because a histogram displays numerical data while a bar graph displays categorical data.
c)
Yes, because they both use bars to display data.
d)
No, because a histogram displays categorical data while a bar graph displays numerical data.
25.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M. 
26.

What is the relative frequency for the class of students that spent 31-60 minutes studying for the exam?

a)

33%

b)

18%

c)

9%

d)

25%

27.

Which of the following is represented by the histogram?

a)

Of the 20 riders represented in the graph, over 50% are 30 years of age or older.

b)

One fourth of the riders represented in the graph are younger than 40 years old.

c)

Half the riders represented in the graph are between the ages 10-29.

d)

Six percent of the riders represented in the graph are between the ages 10 and 19.

28.

Which of the following is an example of quantitative data?

a)

High School Graduate or Not

b)

Monthly paycheck amount

c)

Whether or not you are employed

d)

What type of vehicle you drive

29.
Which of the following is an example of quantitative data? 
a)
The color of your car
b)
A person's state of residence
c)
A person's Zip Code
d)
A Person's Height
30.

What type of Data Display is this?

a)

Line Graph

b)

Histogram

c)

Scatter Plot

d)

Bar Graph

31.

What type of Data Display is this?

a)

Bar Graph

b)

Pie Chart

c)

Stem & Leaf Plot

d)

Scatter Plot

32.

What type of Data Display is this?

a)

Stem & Leaf Plot

b)

Histogram

c)

Line Plot

d)

Bar Graph

33.

Bar graphs are a good data display because...

a)

They make comparisons between different variables very easy to see.

b)

They are good at showing specific values of data, meaning that given one variable the other can easily be determined.

34.

Histograms are good data displays because...

a)

They allow you to group your data values into a range of numbers

b)

They allow you to make a prediction of a future measurement

35.

Scatter plots are a good data display because...

a)

They show the percentage of the whole data set.

b)

They allow you to see a correlation from a set of imperfect data points.

36.

Stem and leaf plots are a good data display because...

a)

They break down large numbers into groupings

b)

They show the correlation of a data set (positive or negative)

37.

Which of the following is an example of a quantitative variable?

a)

Supervising Manager

b)

Hours Worked

c)

Pay Scale Group

d)

Certification

38.
Is a histogram the same as a bar graph?
a)
Yes
b)
No
39.
This is a histogram
a)
true
b)
false
40.
Charlene made a line plot to graph the ages of employees in an outdoor advertising company Suppose Charlene wants to display this data in a histogram with the bars labeled in the following ages: 20–24, 25–29, 30–34, and 35–39. How tall will the 25–29 bar be? 
a)
10
b)
11
c)
12
d)
14
41.
What is incorrect about the following histogram?
a)
The intervals are too small
b)
The intervals overlap
c)
The graph does not start at 0
d)
The axes are not labeled.
42.

How many MALE students were surveyed?

a)

30

b)

29

c)

50

d)

59

43.

What number goes in the blank?

a)

40

b)

20

c)

13

d)

33

44.

How many children prefer vanilla ice cream?

a)

78

b)

131

c)

26

d)

105

45.

Which age group liked Action movies the least?

a)

18-25

b)

25-49

c)

50+

d)

238

46.

Which of these values below is a marginal frequency?

a)

182

b)

120

c)

46

d)

10

47.

Which of the values below is a joint frequency?

a)

400

b)

200

c)

182

d)

4

48.

The number of people who purchased a hot dog and a soda is an example of ___________.

a)

Marginal Frequency

b)

Joint Frequency

c)

Marginal Relative Frequency

d)

Joint Relative Frequency

e)

Conditional Relative Frequency

49.

Of the 400 people who purchased concessions, 50% of them bought a soda. This is an example of

a)

Joint Frequency

b)

Marginal Frequency

c)

Joint Relative Frequency

d)

Marginal Relative Frequency

e)

Conditional Relative Frequency

50.

Of the 400 total people surveyed, 5% of them bought water and no food. This is an example of_____.

a)

Joint Frequency

b)

Marginal Frequency

c)

Joint Relative Frequency

d)

Marginal Relative Frequency

e)

Conditional Relative Frequency

51.

What type of data does this represent?

a)

Qualitative

b)

Quantitative

52.

What type of data does this represent?

a)

Qualitative

b)

Quantitative

53.

What type of data does this represent?

a)

Qualitative

b)

Quantitative

54.

What type of data does this represent?

a)

Qualitative

b)

Quantitative

55.

Which data set goes with this stem-and-leaf plot?

a)

41,52,57,58,65,66,70,75,78,78,78,80,80,95

b)

41,52,56,58,66,70,75,78,78,78,80,80,95,56

c)

41,52,57,58,65,66,70,75,78,78,78,78,80,80,

d)

52,52,57.58,65,66,70,75,78,78,78,80,80,95

56.

This plot show how many point was scored on a video game. What is the difference between the greatest and least amount of point scored?

a)

48

b)

39

c)

38

d)

84

57.

Which set of data belongs to this stem-and-leaf plot?

a)

8,8,12,17,19,22,23,31,35,40

b)

8,12,17,18,19,22,23,31,35,40

c)

8,12,17,18,19,22,22,23,31,35,40

d)

8,12,17,18,19,22,31,35,40

58.

Looking at this plot. What number appears the most?

a)

47

b)

76

c)

92

d)

98

59.

This plot show the ages of people at a birthday party. How many people at the party are 20 years of age or younger ?

a)

7

b)

6

c)

8

d)

5

60.

What is the mode for the stem and leaf? Given 5/3=530

a)

660

b)

600

c)

540

d)

250

61.
How many games did the team play?
a)
15
b)
12
c)
24
d)
14
62.
1. Which of the following best describes the process of finding the range for a set of data?
a)
ADD the biggest and smallest numbers
b)
Place the number in order from least to greatest then find the middle.
c)
Find the difference between the Maximum and the Minimum.
d)
Find the average.
63.
What is the median of the scores?
a)
21
b)
16
c)
17
d)
19
64.
What is the mode of the scores?
a)
24
b)
14
c)
34
d)
30
65.

What is the highest score in the class?

a)

88%

b)

100%

c)

13

d)

98%

66.

How many students spent 7 hours doing homework that week?

a)

1

b)

3

c)

5

d)

6

67.

How many students scored between 95 and 100?

a)

6

b)

6

c)

9

d)

14

68.

10.)Which of the following best describes the shape of the distribution?

a)

SKEWED LEFT

b)

SKEWED RIGHT

c)

SYMMETRICAL

69.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
70.
What is the MEDIAN of this data?
a)
90
b)
20
c)
80 and 90
d)
None
71.
What is the RANGE of this data?
a)
40
b)
100
c)
60
d)
45
72.
What is the MODE of this data?
a)
90
b)
85, 90, and 95
c)
85 and 95
d)
None
73.

What is the shape of the dot plot shown?

a)

skewed left

b)

skewed right

c)

symmetrical

74.

Name the correlation in this graph

a)

Positive correlation

b)

Negative correlation

c)

No correlation

d)

Lots of correlation

75.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
76.
What type of relationship does this graph have?
a)
Positive
b)
Negative
c)
No Relationship
d)
Constant 
77.
Which statement best describes the relationship shown in this scatter plot?
a)
Students with a bigger shoe size earn a higher math score
b)
Students with a smaller show size earn a higher math score
c)
A student's shoe size has no effect on their math score
d)
A student with a shoe size of 8 will always earn a score of 80%
78.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Negative

d)

Non-Linear and Positive

e)

Non-Linear and No Association

79.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
80.
What type of association does this scatter plot represent?
a)
positive linear association
b)
negative association
c)
no association
d)
nonlinear association
81.

The table shows the attendance at a flag football game for the first 8 games of the season. What is the correlation of the data?

a)

Strong Positive

b)

Strong negative

c)

Weak Postive

d)

Weak Negative

e)

No correlation

82.

The table shows the lengths and corresponding ideal weights of sand sharks. Which r-value is more accurate for the data?

a)

r = 0.99

b)

r = -0.90

c)

r = 0.09

d)

r = -0.099

83.

If the correlation coefficient, r, of a data set is r = -0.95. What type of correlation does the data have?

a)

Strong Positive

b)

Strong negative

c)

Weak Postive

d)

Weak Negative

e)

No correlation

84.

If the correlation coefficient, r, of a data set is r = 0. 32. What type of correlation does the data have?

a)

Strong Positive

b)

Strong negative

c)

Weak Postive

d)

Weak Negative

e)

No correlation

85.
In the scatter plot, does the image shows a "Line of Best Fit"?
a)
Yes
b)
No
86.
In the scatter plot, does the image shows a "Line of Best Fit"?
a)
Yes
b)
No
87.
Based on the scatter plot, which statement best describes the trend?
a)
As the daily temperature increases, the number of beach visitors increases.
b)
as the daily temperature decreases, the number of beach visitors increases.
c)
As the daily temperature increases, there is no change in the number of beach visitors
d)
As the daily temperature increases, the number of beach visitors decreases
88.
Is there a correlation between the distance a student lives from school and their test grades?
a)
yes
b)
no
89.

What type of correlation does this scatterplot display?

a)

Positive

b)

Negative

c)

No Correlation

90.
What is the correlation between length of running start and distance of jump?
a)
positive:  the further you run the further you jump
b)
negative: the less you run the less distance of your jump
c)
positive: the further your running start the less your distance
91.

This measures how strong or weak the relationship between 2 quantitative variables are.

a)

Scatter Plot

b)

Causation

c)

Correlation

d)

Line of best fit

92.
What type of correlation do you think there is between:
Time Spent Watching TV & Grades
a)
Positive correlation
b)
Negative correlation
c)
No correlation
d)
cannot be determined
93.
What would be the correlation between study time and test grades?
a)
positive
b)
negative
c)
none
d)
cannot be determined
94.

What type of Correlation?

a)

Positive Correlation

b)

Negative Correlation

c)

No Correlation

95.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
96.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
97.
The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?
a)
16.67%
b)
20%
c)
2500%
d)
80%
98.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
99.

Jon wants to buy a burrito , he thinks it costs $7.50. But when he goes to taco bell it actually costs $6.25. What is percent error?

a)

20%

b)

16.6%

c)

17.8%

d)

21%

100.

Find the equation of the line of best fit for the given data

a)

y=163.41x + 4.19

b)

y=-163.41x + 4.19

c)

y=-4.19x + 163.41

d)

y= 4.19x - 163.41

e)

There is no linear correlation of the data set

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