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Chapter 1 Review - Statistics CP

Total questions: 49

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
The team scored 50 points. How many points did Kendrick score?
a)
12 points
b)
20 points
c)
10 points
d)
72 points
2.
How many more people like purple than red?
a)
3
b)
5
c)
7
d)
9
3.

This graph represents the number of different types of bird species in a zoo. Why is it misleading?

a)

broken scale

b)

values on the vertical scale are not uniform (the same)

c)

uneven spacing of values on the vertical scale

d)

none of the above

4.
The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?
a)
The slices are the wrong color
b)
The slices are not the correct size
c)
The percents do not add up to 100
d)
Not misleading
5.

The number of miles that Jenna cycled each week for a 7-week period is shown: 36, 42, 28, 52, 48, 36, 31 What is the median number of miles Jenna cycled?

a)

24

b)

39

c)

36

d)

52

6.

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?

a)

9

b)

5

c)

6

d)

11

7.

Find the mean number of cards decorated.

a)

8

b)

7

c)

10

d)

9

8.
How many cities have temperatures between 70 degrees and 99 degrees?
a)
44
b)
34
c)
26
d)
62
9.

What is the shape of the dot plot shown?

a)

skewed left

b)

skewed right

c)

symmetrical

10.

What shape is the dot plot for SUV's?

a)

skewed right

b)

skewed left

c)

symmetrical

d)

none of the above

11.

What is the outlier for this data?

a)

90

b)

96

c)

102

d)

108

12.
What is the difference between the medians for the two data sets? 
a)
0 tickets
b)
2 tickets
c)
4 tickets
d)
6 tickets
13.
What percent of students have less than 1,000 songs on their MP3 players?
a)
15%
b)
80%
c)
20%
d)
45%
14.
Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?
a)
The low score causes the median to increase.
b)
The low score causes the median to decrease.
c)
The low score causes the mean to increase.
d)
The low score causes the mean to decrease.
15.

How many students scored more than 80%?

a)

10

b)

13

c)

7

d)

15

16.

What is the range for the stem and leaf plot? Given 3/2=32

a)

39

b)

40

c)

45

d)

56

17.

While doing a project for P. E. class, Ling researched the number of athletes competing in an international sporting event.


How many countries have exactly 32 athletes?

a)

4

b)

3

c)

6

d)

1

18.

Find the Median?

a)

95

b)

97.2

c)

96.8

d)

98

19.
What's your favorite subject in school?
a)
Categorical
b)
Quantitative
20.

Number of Passengers

a)

Categorical

b)

Quantitative

21.

Type of Aircraft

a)

Categorical

b)

Quantitative

22.

Number of Pairs of Shoes You Own

a)

Categorical

b)

Quantitative

23.

Hair Color

a)

Categorical

b)

Quantitative

24.

Age of Oscar Winners

a)

Categorical

b)

Quantitative

25.

Which of the following is an example of categorical data?

a)

Height

b)

Number of Credits Earned

c)

Grade in School

d)

Grade Point Average

26.

Which of the following is a categorical variable?

a)

Flight Length

b)

Flight Number

c)

Number of Passengers

d)

Fuel Consumption

27.

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

a)

Studio of Oscar Winners

b)

Academy Association Membership Number

c)

Film Genre

d)

Age of Oscar Winner

28.

You wish to display the data of a frequency table which shows the numbers of males or females that have been diagnosed with lung cancer. Which would be the most appropriate way to display this data in this form?

a)

Pie Chart

b)

Segmented Bar Chart

c)

Stem-and-Leaf Plot

d)

Bar Chart

29.

What is the relative frequency of High School?

a)

2%

b)

50%

c)

5%

d)

20%

30.

Which type of graph can be used for quantitative data?

a)

Histogram

b)

Bar graph

c)

Pie Chart

31.

How would you describe the shape of the test score distribution?

a)

symmetric

b)

skewed right

c)

skewed left

d)

uniform

32.

What interval size was used when creating this histogram?

a)

5

b)

10

c)

11

d)

9

33.
Describe the data distribution shape of the graph.
a)
Skewed right
b)
Skewed left
c)
Uniform
d)
Symmetrical
34.
The middle number (in a sorted list of numbers).
a)
range
b)
mean
c)
median
d)
mode
35.
Tina spends _____ of her day at work.
a)
33%
b)
29%
c)
9%
d)
6%
36.

Choose the information that best describes this bar chart.

a)

Far more females than males are interested in vanilla flavor.

b)

Slightly more females than males are interested in vanilla flavor.

c)

Far more males than females are interested in vanilla flavor.

d)

Slightly more males than females are interested in vanilla flavor.

37.

The number of people aged 25-35 who are concerned about arts and crafts .................. that of those aged 55-65.

a)

doubles

b)

triples

c)

four times

d)

five times

38.
The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?
a)
The slices are the wrong color
b)
The slices are not the correct size
c)
The percents do not add up to 100
d)
Not misleading
39.

Which graph is misleading?

a)

graph 1

b)

graph 2

c)

graph 3

d)

graph 2 and 3

40.

How many students were surveyed to collect this data?

a)

11

b)

13

c)

15

d)

17

41.
What is the highest quiz grade in the stem and leaf plot?
a)
9
b)
26
c)
92
d)
96
42.

Which graphs are used to represent categorical data? (More than one answer)

a)

bar chart

b)

stemplot

c)

pie chart

d)

dotplot

e)

histogram

43.

These pie charts show how people travel to work in 2 towns. In which town do more people travel to work by bike?

a)

town A

b)

town B

c)

both the same

d)

impossible to say

44.
What type of graph is this?
a)
Bar Graph
b)
Histogram
c)
Line Plot
45.
A subset of the population from which data are obtained is called 
a)
the raw data
b)
a characteristic
c)
a confidence interval
d)
a sample
46.
_______ are characteristics of an individual.
a)
Variables
b)
Categoricals
c)
Data points
d)
Individuals
47.
Objects described by a set of data which can be people, animals, or things are _______.
a)
Variables
b)
Categorical
c)
Data
d)
Individuals
48.

When your data is heavily skewed and you have outliers, which measure of central tendency should you use?

a)

median

b)

standard deviation

c)

mean

d)

interquartile range

49.

When your data is roughly symmetric, and there are no outliers, which measure of central tendency should you use?

a)

median

b)

standard deviation

c)

mean

d)

interquartile range

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