Univariate Data Descriptors

Practice Questions

AP Statistics › Univariate Data Descriptors

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1

Find the Interquartile Range (IQR) for the following data.

Q1 = 2, Q3 = 6

IQR = Q3 - Q1 = 4

2

Find the Interquartile Range (IQR) for the following data.

Q1 = 2, Q3 = 6

IQR = Q3 - Q1 = 4

3

Find the interquartile range for the following data set:

$\small 5, 5, 5, 6, 8, 9, 11, 11, 15, 16, 18, 22, 25, 25, 26$

4

Find the interquartile range for the following data set:

$\small 5, 5, 5, 6, 8, 9, 11, 11, 15, 16, 18, 22, 25, 25, 26$

5

Find the interquartile range for the following data set:

$\small \small 1, 2, 5, 7, 7, 9, 15, 15, 15, 22, 23, 24, 26$

6

Find the interquartile range for the following data set:

$\small \small 1, 2, 5, 7, 7, 9, 15, 15, 15, 22, 23, 24, 26$

7

A sample consists of the following observations:. What is the mean?

8

A sample consists of the following observations:. What is the mean?

9

Six homes are for sale and have the following dollar values in thousands of dollars:

535

155

305

720

315

214

What is the mean value of the six homes?

10

Six homes are for sale and have the following dollar values in thousands of dollars:

535

155

305

720

315

214

What is the mean value of the six homes?

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