AnswersPre-Algebra BInferences and Predictions

Inferences and Predictions Answers

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1
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What is the outlier of this distribution?

A
2
B
3
C
5
D
9
2
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What is the mean of this data set?

A
3
B
3.75
C
4.5
D
5
3

What is the range of this data set?

A
3
B
3.5
C
8
D
9
4

The 7th-grade median is .

A
3
B
3.5
C
4
D
4.5
5

The two dot plots represent a sample of the number of people in households in two towns. Which statements are true about the data sets?Check all that apply.

A
Both have the same number of data points.
B
Both means are between 3 and 4.
C
Both have the same median.
D
Both have the same range.
E
Westwood has less variability than Middleton.
6

The 5th-grade mean is .

A
3.76
B
4.67
C
5
D
5.25
7

The 5th-grade range is .

A
5
B
6
C
7
D
8
8

The 7th-grade mean is .

A
3.46
B
3.76
C
4
D
4.72
9

The 7th-grade range is .

A
3
B
4
C
6
D
7
10

The 5th-grade median is .

A
4
B
5
C
5.5
D
6
11

The ratio of variation of 5th grade to 7th grade is .

A
0
B
1
C
1.5
D
2

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