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Descriptive Statistics

Total questions: 65

Worksheet time: 2hrs 58mins

Name
Class
Date
1.

The candy was sour.

a)

Qualitative Data

b)

Quantitative Data

2.

The bug was 5cm long.

a)

Qualitative Data

b)

Quantitative Data

3.

The flower is red.

a)

Qualitative Data

b)

Quantitative Data

4.

It is cloudy outside today.

a)

Qualitative Data

b)

Quantitative Data

5.

The mass of the beaker was 122 g.

a)

Qualitative Data

b)

Quantitative Data

6.

There are 13 boys and 14 girls in fifth period.

a)

Qualitative Data

b)

Quantitative Data

7.

Describe the shape of the graph

a)

Bimodal

b)

Multimodal

c)

Uniform

d)

Unimodal

8.

Describe the shape of the graph

a)

Right Skewed

b)

Symmetric

c)

Bimodal

d)

Left Skewed

9.

Describe the shape of the graph

a)

Bimodal

b)

Unimodal

c)

Trimodal

d)

Multimodal

10.

Describe the shape of graph

a)

Unimodal

b)

Trimodal

c)

Bimodal

d)

Multimodal

11.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
a)
193
b)
127
c)
60
d)
66
12.
Find the median of these numbers:
4, 2, 7, 4, 3
a)
2
b)
5
c)
7
d)
4
13.
Find the mean of these numbers:
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
14.
When calculating the mean you
a)
add all the numbers together and divide by the number of items
b)
scream
c)
cry 
d)
pick the one that happens the most
15.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
16.

Find the mode of these numbers:

4,3,6,4,3,6,6,3,2,1,3

a)

3

b)

6

c)

4

d)

2

17.

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

a)

58

b)

59

c)

60

d)

118

18.
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.
19.
The number of orange Skittles in a bag. 
a)
Discrete
b)
Continuous
20.
The number of suitcases lost by airlines. 
a)
Discrete
b)
Continuous
21.
Adam earns $10 for each car he washes.
a)
Discrete
b)
Continuous
22.
Graph of the growth of a plant for the next 30 days. 
a)
Discrete
b)
Continuous
23.
Joe is losing an average of .5 pounds a week.  Is this continuous or discrete data?
a)
Discrete
b)
Continuous
24.
The time it takes for a light bulb to burn out. 
a)
Discrete
b)
Continuous
25.

Discrete or continuous data?

a)

Discrete

b)

Continuous

26.

Discrete or continuous data?

a)

Discrete

b)

Continuous

27.

Discrete or continuous data?

a)

Discrete

b)

Continuous

28.

Discrete or continuous data?

a)

Discrete

b)

Continuous

29.
_______ is a part of a group being surveyed.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
30.
_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
31.
_______ is the entire group of objects or individuals considered for a survey.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
32.
True or False: all samples lead to a good prediction about an entire population.
a)
True
b)
False
33.
A school surveys all 7th grade boys to determine what to sell in the school store.  This sample is _________.
a)
Biased
b)
Unbiased
c)
Representative
d)
Peanut butter cups
34.
A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.
a)
Biased
b)
Unbiased
c)
Representative
d)
Numerical
35.
A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:
a)
Asking all the students in the hot lunch line.
b)
Asking 10 random students from each homeroom.
c)
Asking every other student who gets off a school bus.
d)
Asking all the 10th graders.
36.
A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.
a)
The population is everyone listed in the city phone directory; the sample is the 75 people selected.
b)
The population is residents of the city; the sample is the registered voters in the city.
c)
The population is registered voters in the city; the sample is everyone listed in the city phone directory.
37.
A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school.
a)
The population is all classrooms in the district; the sample is the 7 classrooms selected.
b)
The population is all classrooms in the elementary school; the sample is the 7 classrooms selected.
c)
The population is all elementary students in the school; the sample is the students in the 7 classrooms selected.
38.
The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?
a)
The students will be selected from the choir
b)
The students will be selected randomly throughout the school
c)
The students will be selected on Wednesday afternoon before the choir concert
d)
The choir director will select five students from each of the forty homerooms in the school
39.

How many more boys than girls have shoes that are 22 centimeters long?

a)

16

b)

2

c)

9

d)

4

40.

The graph shows how employees at Disney World travel to work. How many employees ride bikes, ride the bus, or walk to work?

a)

300

b)

450

c)

325

d)

375

41.

The bar graph shows the number of runs for each player during a baseball season. How many more runs did Doug have than Sarah?

a)

6

b)

4

c)

5

d)

8

42.

Mary is recording her plant's growth in a journal. How many inches has the plant grown from week 1 to week 4?

a)

22

b)

18

c)

14

d)

10

43.

The bar graph shows the number of hamburgers sold at Bob’s Burger Shack. On which days were more than 80 hamburgers sold?

a)

Wednesday and Friday

b)

Tuesday and Thursday

c)

Monday, Tuesday, and Thursday

d)

Tuesday, Wednesday, Thursday, and Friday

44.

The bar graph shows the favorite ice cream flavors of a group of students. How many total students like both strawberry and vanilla best?

a)

40

b)

38

c)

36

d)

28

45.

Which city is the least popular according to the data recorded in the bar graph?

a)

Bently

b)

Greatville

c)

Rivertop

d)

Friendship

46.

Which movie genre is liked best by all age groups?

a)

Action

b)

Comedy

c)

Horror

d)

Romance

47.

The frequency table shows the colors that fifth graders preferred for their field day shirts.


Based on the data in the table, how many students preferred blue and orange?

a)

60

b)

56

c)

59

d)

53

48.
What is this type of graph called?
a)
Frequency Line Graph
b)
Frequency Diagram
c)
Bar Chart
d)
Frequency Polygon
49.
What is the modal group?
a)
1.50 - 1.60 m
b)
1.60 - 1.70 m
c)
1.50 - 1.60 m and 1.60 - 1.70 m
d)
1.50 - 1.70 m
50.
Give an estimate for  how many people were taller than 1.63 m ?
a)
12
b)
9
c)
27
d)
22
51.
How many people were aged between 40 and 60?
a)
16
b)
5
c)
22
d)
21
52.
How many people were in the survey?
a)
110
b)
220
c)
300
d)
330
53.
Give an estimate for the number of people who took between 45 and 46 seconds?
a)
10
b)
50
c)
12
d)
15
54.

The pass mark for the test was 20. What fraction of the students passed the test?

a)

17/20

b)

3/8

c)

3/17

d)

3/20

55.
The teacher agreed that the test was too difficult and reduced the pass mark to 18. How many more students do you think should pass the test?
a)
3
b)
2
c)
4
d)
7
56.
What is the median length?
a)
40.5 cm
b)
30 cm
c)
24.5 cm
d)
32 cm
57.
Approximately how many items were longer than 34 cm?
a)
None
b)
8
c)
7.5
d)
7
58.
What is the Lower Quartile Length?
a)
28 cm
b)
30 cm
c)
33 cm
d)
20 cm
59.
What is the Upper Quartile Length?
a)
28 cm
b)
30 cm
c)
33 cm
d)
20 cm
60.
What is the Interquartile Range?
a)
28 cm
b)
12 cm
c)
33 cm
d)
5 cm
61.
What is the Median Value?
a)
18
b)
22
c)
26
d)
28
62.
What is the Upper Quartile Value?
a)
18
b)
22
c)
26
d)
28
63.
What is the Maximum Value?
a)
18
b)
22
c)
26
d)
28
64.
What is the Lower Quartile Value?
a)
18
b)
22
c)
26
d)
28
65.
What is the Interquartile Range?
a)
12
b)
10
c)
8
d)
6

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