Analyzing One-Variable Data Review

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

• True

• False

The simplest measure of variability is...

• range

• standard deviation

• IQR

• mean

Tags

CCSS.6.SP.A.3

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.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Pick the definition of an outlier.

• A value that lies outside of most other values in a data set.

• A value that is the largest.

• A value that is the smallest.

• A value that occurs the most.

If outliers are removed, what changes more significantly the mean or median?

• Mean

• Median

If outliers are removed, what changes more significantly the standard deviation or interquartile range (IQR)?

• Standard Deviation

• Interquartile Range (IQR)

On a recent test, a statistics professor finds that the mean score is smaller than the median. Which of the following could be the distribution of test scores?

• 
• 
• 
• None of these

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

On a recent test, a statistics professor finds that the mean and median scores are nearly equal. Which of the following could be the distribution of test scores?

• 
• 
• 
• None of these is correct

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which of the following can be used to describe the spread of a distribution? Select all that apply.

• range

• interquartile range

• standard deviation

• mean

• median

Tags

CCSS.6.SP.A.3

How many people watched more than 6 hours of TV?

• 10
• 5
• 20
• 17

Tags

CCSS.5.G.A.2