Statistics basics

Statistics basics

7th - 10th Grade

15 Qs

quiz-placeholder

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Statistics basics

Statistics basics

Assessment

Quiz

Mathematics

7th - 10th Grade

Practice Problem

Hard

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

7

7.44

8

7 and 8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

7

7.44

8

7 and 8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

8
9
13
21

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the class size of the class 15 - 30?

15
30
22
22.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed).

8%

4%

20%

15.5%

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

How many 7th graders had an IQ score in the 81-90 range?

13

6.5

3

42

7.

MULTIPLE CHOICE QUESTION

1 min • 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

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