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Algebra Module 2 Cumulative Quizizz

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

Type of Data arrangement

a)

Symmetrical

b)

Hairline

c)

Skewed Right

d)

Skewed Left

2.
What is the shape of the distribution?
a)
Skewed Left 
b)
Skewed Right
c)
Symmetric
d)
Bimodal
3.
Which of the following best describes the shape of the distribution?
a)
SKEWED LEFT
b)
SKEWED RIGHT
c)
UNIFORM
d)
SYMMETRICAL
4.

What is the shape of the distribution?

a)

Skewed Left

b)

Skewed Right

c)

Symmetric

d)

Bimodal

5.
Paulo got these grades in three tests: 72, 80 and 82. He had one more test to take. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?
a)
80
b)
234
c)
It is not possible for him to get an 80 average
d)
86
6.
The mode score on the 6th grade math test was 94! Which of these interpretations MUST be correct?
a)
94 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 94
d)
A score of 91 was slightly below average.
7.
Find the median:
3, 5, 7, 4, 3, 1
a)
3 and 4
b)
There isn't one
c)
3.5
d)
3
8.
What is the balance point from the given set of data?
a)
4
b)
5
c)
6
d)
7
9.
When asked to find the balance point, you are finding the...
a)
Mean
b)
Median
c)
Mode
d)
Range
10.

What is the range?

a)

6

b)

2 - 8

c)

3

d)

4

11.

What is the interquartile range?

a)

3

b)

6

c)

4

d)

5

12.

What is the third quartile?

a)

7

b)

6

c)

8

d)

3

13.
Find the MAD for the following set: 85, 90, 68, 75, 79
a)
79.4
b)
6.48
c)
32.4
d)
79
14.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

6.89

b)

10.1

c)

7.26

d)

9

15.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

6.89

b)

10.1

c)

7.26

d)

9

16.
Which of the following is a measure of variability?
a)
mean
b)
median
c)
mode
d)
standard deviation
17.

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?

a)

511.33

b)

22.61

c)

438.48

d)

20.94

18.
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
a)
The mean will decrease
b)
The median will decrease
c)
The mean will increase
d)
The median will increase
19.
A data set is shown below.
56, 64, 73, 59, 98, 65, 59
If the outlier is removed from the data set, which measure of central tendency will be least affected?
a)
range
b)
mode
c)
median
d)
mean
20.

When using IQR to find outliers, which formula will identify the lower limit?

a)

Q3 - 1.5(IQR)

b)

Q1 + 1.5(IQR)

c)

Q1 - 1.5(IQR)

d)

Q3 + 1.5(IQR)

21.

Which value(s) are outlier(s) for the age of male Oscar winners?

a)

80

b)

76

c)

60

d)

29

22.
Which dot plot has the greatest variability?
a)
A
b)
B
c)
C
d)
D
23.

Which is a true statement based on the box plots above

a)

The data for Team B have the greater range.

b)

The data for Team A are more symmetric.

c)

The data for Team B have the greater interquartile range.

d)

The data for Team A have the greater median.

24.

The box plots show data from a survey of students under 14 years old. They were asked on how many days in a month they read and draw. Based on the box plots, which is a true statement about the students?

a)

Most students draw at least 12 days a month.

b)

Most students read less than 12 days a month.

c)

Most students read more often than they draw.

d)

Most students draw more often than they read.

25.
What is the difference between the medians for the two data sets? 
a)
0 tickets
b)
2 tickets
c)
4 tickets
d)
6 tickets
26.
How many people purchased no food and no drink?
a)
60
b)
10
c)
20
d)
200
27.
How many total people were surveyed about what ice cream flavor they would pick?
a)
107
b)
92
c)
70
d)
269
28.
How many sophomores like burritos and pizza?
a)
6
b)
5
c)
11
d)
50
29.
What color car is the least popular at this car dealership?
a)
Red
b)
White
c)
Blue
d)
Green
30.
What is the relative frequency of students speaking Arabic?
a)
32%
b)
24%
c)
10%
d)
2%
31.
What is the relative frequency of cheetahs at the refuge?
a)
25%
b)
20%
c)
16%
d)
100%
32.
What percent of the total population surveyed were electrical engineers that like math?
a)
33.9%
b)
48.6%
c)
16.5%
d)
21.7%
33.

The ratio of a joint relative frequency to a related marginal relative frequency in a two-way table.

a)

Conditional Relative Frequency

b)

Joint Relative Frequency

c)

Marginal Relative Frequency

d)

Relative Frequency

34.

What is the row conditional relative frequency of students with hazel eyes that also have red hair?

a)

1/9

b)

9/60

c)

1/60

d)

1/3

35.
135 ÷ 180 would calculate the _______________ of females who prefer SUVs
a)
Joint Relative Frequency
b)
Marginal Relative Frequency
c)
Conditional Relative Frequency
d)
Marginal Frequency
36.

What is the column conditional relative frequency of students with green eyes that also have blond hair?

a)

1/9

b)

9/60

c)

7/13

d)

2/13

37.
Describe the association between the number of lanes rented and the number of people bowling.
a)
Non-linear association
b)
Negative linear association
c)
No association
d)
Positive linear association
38.
Which conclusion is best supported by the scatterplot?
a)
As the length of a call increases, the cost of the call increases.
b)
As the length of a call increases, the cost of the call remains the same.
c)
As the length of a call increases, the cost of the call decreases.
d)
There is no relationship between the length of a call and the cost of the call.
39.

Which scatterplot does NOT suggest a linear relationship between x and y?

a)
b)
c)
d)
40.

What is the equation of the line of best fit?

a)

y = -25x + 170

b)

y = -5/8x + 170

c)

y = 25x + 170

d)

y = 5/8x + 170

41.
The equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 23 minutes?
a)
44 laps
b)
12 1/2 laps
c)
23 laps
42.
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
43.

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

44.
Residuals are . . . 
a)
possible models not explored by the researcher
b)
variation in the response variable that is explained by the model
c)
the difference between the observed response and the values predicted by the model
d)
data collected from individuals that is not consistent with the rest of the group
45.
1) 
a)
A
b)
B
c)
C
d)
D
46.
2) 
a)
A
b)
B
c)
C
d)
D
47.

Shown is a residual plot. How many positive residuals are there?

a)

5

b)

1

c)

3

d)

9

48.

The equation of the least squares regression line is y = 1.3 + 0.73x. What is the residual for the point (4,7)?

a)

2.78

b)

3.00

c)

4.00

d)

4.22

49.

After performing analyses on a set of data, Mrs. Schoeneck examined the scatter plot of the residual values for each analysis. Which scatter plot indicated the best linear fit for the data?

a)

A

b)

B

c)

C

d)

None of the above

50.
a)

This residual plot represents a linear fit.

b)

This residual plot represents a nonlinear fit.

c)

This residual plot represents no fit.

d)

The residual plot represents an exponential fit.

51.

What should a residual plot look like if the data is linear?

a)

Distinct pattern, no matter the shape

b)

Curve

c)

Random

d)

Linear

52.
Rank these scatter plots according to the intensity of the correlation represented, from weakest to strongest.
a)
1, 2, 3, 4
b)
2, 4, 3, 1
c)
4, 3, 2, 1
d)
1, 3, 4, 2
53.

What type of correlation does this graph show?

a)

A) Positive

b)

B) negative

c)

C) none

d)

D) all of the above

54.

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

a)

A) The more books students read, the lower their English grade.

b)

B) The more books students read, the higher their English grade.

c)

C) The fewer books students read, the higher their English grade.

d)

D) No relationship exists between the number of books students read and their English grades.

55.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
Weak Positive
56.

Estimate the correlation coefficient for this scatterplot.

a)

A) r = -0.9

b)

B) r = 1

c)

C) r = 0.9

d)

D) r = -1

57.
The correlation coefficient is a number "r" such that: 
a)
-1<r<1
b)
-1>r>1
c)
-1≤r≤1
d)
-1≥r≤1
58.
r=0.3
a)
Strong positive 
b)
Weak positive
c)
Strong negative
d)
Weak negative 
59.

Estimate the correlation coefficient.

a)

r is close to zero

b)

r is close to -1

c)

r is close to 1

d)

r is close to -1.5

e)

r is close to 1.5

60.
Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.
a)
-0.19 weak
b)
-0.19 moderate
c)
0.04 weak
d)
0.04 strong

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