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Statistics Outliers and Standard Deviation

Authored by Anthony Clark

Mathematics

11th Grade

Statistics Outliers and Standard Deviation
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Order the dot plots from least to greatest standard deviation.

A, D, C, B

B, C, D, A

A, D, B, C

B, C, A, D

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The standard deviation should be interpreted as the typical distance of the values in a distribution from the mean.

True

False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following choices give two measures that are both resistant to outliers?

The mean and standard deviation.

The median and standard deviation.

The median and the IQR.

The range and the IQR.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Without doing any calculations, which of the distributions shown (A, B, or C) has the largest standard deviation?

Distribution A

Distribution B

Distribution C

The standard deviations are equal because the ranges are equal.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If an outlier is added to a data set, how does this affect standard deviation?

increase

decrease

stay the same

both increase and decrease

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a number is added to a set that is outside of one deviation away from the mean, how does this affect standard deviation?

increase

decrease

stay the same

both increase and decrease

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a number is added to a set that is far away from the mean, how does this affect standard deviation?

increase

decrease

stay the same

both increase and decrease

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