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Worksheets

Data Analysis

Total questions: 27

Worksheet time: 7hrs 45mins

Name
Class
Date
1.

Also known as the average of a data set, this is the measure of center that is calculated by adding all the data points together, then dividing by the amount of data points that were added up.

a)

Mean

b)

Median

c)

Mode

d)

Range

2.

This measure of center is found by placing all of the data points in numerical order, then finding the data point in the center(middle) of the data set.

a)

Mean

b)

Median

c)

Mode

d)

Range

3.

This measure of center is found by finding the data point that appears the most in a data set.

a)

Mean

b)

Median

c)

Mode

d)

Range

4.

Mr. Seeger counts the amount of times that he burps each day of a school week. He writes down the amount for all five days:

12, 8, 15, 9, 12

What is the mode of this data set?

a)

8

b)

12

c)

11.2

d)

15

5.

Mr. Seeger counts the amount of times that he burps each day of a school week. He writes down the amount for all five days:

12, 8, 15, 9, 12

What is the mean of this data set?

a)

15

b)

12

c)

8

d)

11.2

6.

Mr. Seeger counts the amount of times that he burps each day of a school week. He writes down the amount for all five days:

12, 8, 15, 9, 12

What is the median of this data set?

a)

11.2

b)

12

c)

8

d)

15

7.

How many students scored between 96% and 100%?

a)

10

b)

6

c)

9

d)

14

8.
How many total students are in the science class?
a)
13
b)
6
c)
27
d)
25
9.

How many students received a score that was not an A? 

a)

6

b)
4
c)

13

d)

10

10.
What is the MODE of this data?
a)
90
b)
85, 90, and 95
c)
85 and 95
d)
None
11.
What is the MEDIAN of this data?
a)
65
b)
40
c)
915
d)
13
12.

Which number is the outlier for the given data? 23, 34, 27, 7, 30, 26, 28, 31, 34

a)
7
b)
23
c)
31
d)
34
13.
Dr. Dre is a dentist. He needs to report on the average (mean) number of cavities that his patients have.
1,0,1,5,6,3,4
a)
3.33
b)

2.86

c)
3
d)
3.5
14.

Quartiles break the data set into _____ equal parts each representing 25% of the data.

a)

1

b)

2

c)

3

d)

4

15.

Q2 is the same as the ______

a)

Mean

b)

Median

c)

Mode

d)

Range

16.

Q1 is the median (middle) of the lower half of the data values.

a)

True

b)

False

17.

IQR = Q3 - Q1

a)

True

b)

False

18.
What is the median of the data?
a)

120

b)
100
c)
90
d)
140
19.
What is the interquartile range?
a)
4
b)
6
c)
2
d)
8
20.
Which restaurant has a higher median wait time?
a)
Lucy's Steakhouse
b)
Gary's Grill
c)
They are the same
21.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
22.
What value is the lower quartile?
a)
66
b)
58
c)
60
d)
64
23.
Which of the following best describes the process of finding the interquartile range for a set of data?
a)
Add the biggest and smallest numbers.
b)
Place the numbers in order from least to greatest and find the middle.
c)
Find the difference between the maximum and the minimum.
d)
Subtract Q1 from Q3.
24.
More people had between __ and __ cups of coffee than any other range.
a)
0-3
b)
8-11
c)
12-15
d)
16-19
25.
Which interval has 400 employees?
a)
33-43
b)
0-10
c)
77-87
d)
66-76
26.

How many employees make over $65,000?

a)

About 625 employees

b)

About 825 employees

c)

About 725 employees

d)

About 925 employees

27.

This measure of spread finds the difference between the smallest data point and the largest data point

a)

mean

b)

median

c)

mode

d)

range