Measures Spread

Measures Spread

9th Grade

20 Qs

quiz-placeholder

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Measures Spread

Measures Spread

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
6.NS.B.3

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

Median: 54

First Quartile: 49

Third Quartile: 67

IQR: 18

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 21

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 22

Median: 54

First Quartile: 49

Third Quartile: 69

IQR: 20

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the range?

average

biggest-smallest

the middle #

happening the most

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a number is added to the set that is in the middle of the data, how does this affect the range?

increase

decrease

stay the same

both increase and decrease

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which measure of spread should be used to describe the distribution?

standard deviation

interquartile range

range

median

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which summary statistic should be used to compare the two data sets and why?

The median and the interquartile range because they are normally distributed.

The median and the interquartile range because they are skewed.

The mean and the standard deviation because they are normally distributed.

The mean and the standard deviation because they are skewed.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a measure of variability?

mean

median

mode

standard deviation

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the range of the data.

63, 71, 65, 66, 87, 53

32

33

34

35

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