Comparing Distributions

Which dot plot has the greatest variability?

• A

• B

• C

• D

Describe the Shape of the Distribution.

• Unimodal and roughly symmetric

• Unimodal and skewed right

• Unimodal and skewed left

• Bimodal and roughly symmetric

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

• True

• False

Which mean absolute deviation would have a greater variability or spread?  4.2 or 8.5?

• 4.2

• 8.5

What shape is the distribution?

• The distribution is skewed to the right.

• The distribution is skewed to the left.

• The distribution is approximately symmetrical.

• The distribution is approximately uniform.

Which measure of central tendency best represents this data?

• Mean

• Median

• Mode

• Range

The dot plots show the number of miles Nina and Mark walked during a few days in April.

The median number of miles Mark walked is ___________ the median of the number of miles Nina walked.

• greater than

• less than

• equal to

What is the shape of the distribution shown?

• The distribution is skewed to the right.

• The distribution is skewed to the left.

• The distribution is approximately symmetrical.

• The distribution is bimodal.

What is the shape of the distribution?

• The distribution is approximately symmetrical.

• The distribution is skewed to the right.

• The distribution is skewed to the left.

• The distribution is approximately uniform.

What shape is the distribution?

• The distribution is approximately symmetrical.

• The distribution is skewed to the left.

• The distribution is skewed to the right.

• The distribution is bimodal.