Comparing Dot Plots SH#5

This can be represented by the RANGE or INTERQUARTILE RANGE. (please fill the blanks in on YOUR worksheet with the answers above).

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When the data is skewed, then the ______ is the best representation of the data.

• Mean
• Mode
• Variance
• Median

What does it mean if a dot plot is described as 'skewed right'?

• Most of the data points are on the left side.

• Data points are evenly distributed.

• There is no visible pattern in the data points.

• Most of the data points are on the right side.

When the data is symmetric , then the ____ is the best representation of the data.

• mean
• range
• mode
• median

Which measure of center is best used for symmetric data in dot plots?

• Range

• Mode

• Median

• Mean

If a dot plot for a data set is skewed left, which measure of center should be used?

• Maximum value

• Mode

• Median

• Mean

(Use the picture to the left to check your work for number 1.)

2. Describe the shape of the two dot plots above. Which appears to have the higher number of minutes traveled to school?

• The second dot plot has a lower number of minutes traveled to school.
• The first dot plot has a higher number of minutes traveled to school.
• Both dot plots have an equal number of minutes traveled to school.
• The second dot plot has a higher number of minutes traveled to school.

What is the median of this set?

• 7

• 8

• 6

• 5

What is the Median of this set?

• 6

• 3

• 7

• 5

True or False

• True

• False