Measures of Center and Variation

Measures of Center and Variation

7th Grade

17 Qs

quiz-placeholder

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Measures of Center and Variation

Measures of Center and Variation

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Cynthia Jerus

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
The mean will decrease
The median will decrease
The mean will increase
The median will increase

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?
Only the range was affected.
The median increased, and the range increased.
The mean increased, and the range increased.
The mean decreased and the range increased.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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?
The low score causes the median to increase.
The low score causes the median to decrease.
The low score causes the mean to increase.
The low score causes the mean to decrease.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A value that is much higher or much lower than the other values in a set of data.
Outlier
Box Plot
Range
Histogram

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If 20 is added to the data set below, which statement will be true?
50, 55, 55, 60, 62
The median will be 20
The mode will increase
The mean will increase
The mean will decrease

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the outlier for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

7

23

31

34

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Your math grades are 90, 85, 0, 90, 80, 100, and 90. Which grade is the outlier?

90

0

80

100

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