Mean Data Sets

Mean Data Sets

8th Grade

21 Qs

quiz-placeholder

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Mean Data Sets

Mean Data Sets

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.C.7B

Standards-aligned

Created by

Barbara White

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

The mean would not change

The mean would go up

The mean would go down

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

7

7.44

8

7 and 8

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

On a recent test, one class of 26 students had a mean score of 78%, while another class of 32 students had a mean score of 86%. What is the overall mean of the two classes combined?

82

82.4

81

83

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mean of this set of data?

2, 15, 7

24

3

6

8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find the average or mean of a set of numbers, add up all the items and divide by...

2

The minimum

The maximum

The number of items

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

5
6
9
11

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

3.33
2.85
3
3.5

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