Mean Median Mode Iqr Outliers

Given the following distributions, which has the highest median?

• Red

• Purple

• Black

Given the following distributions, which has the smallest IQR?

• Red

• Purple

• Black

Given a set of symmetric data, which of the following is an appropriate measure of the center?

• Mean

• Median

• Mode

Given a set of skewed data, which is an appropriate measure of center?

• Mean

• Median

• Mode

Given a set of skewed data, which is an appropriate measure of spread?

• Mean

• Median

• Standard Deviation

• Interquartile Range (IQR)

We use the median and IQR for the center and spread of skewed data since they are resistant to outliers.

• True

• False

Given the 5 number summary, Find the lower fence.

• 171.5

• 15.5

• 43.4

• 7

Given the 5 number summary, the minimum is an outlier.

• True

• False

Find the Median of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 16

• 98

• 84

• There is no median.

Find the IQR of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 78

• 12

• 16

• There is no IQR.