Describing Variability

Which distribution has a GREATER measure of variability?

• A

• B

Which distribution has a GREATER measure of variability?

• A

• B

Compare the centers and variability.

• Math has a higher median (center) and a larger variability.

• Math has a higher median (center) and a smaller variability.

• Math has a lower median (center) and a smaller variability.

• Math has a lower median (center) and a wider variability.

When the data distribution is symmetric, which is the better measure of variability?

• Mean

• Median

• Mode

• Standard Deviation

• Interquartile Range

Which measure of center and variability are best to use based on the data?

• Mean and Standard Deviation

• Mean and Interquartile Range

• Median and Interquartile Range

• Median and Standard Deviation

Select all the true statements about the data displayed.

• School 1's median is higher than School 2.

• School 2 has a lower variability than School 1.

• School 1 is skewed left.

Select all that statements that are true based on the box plot.

• It is skewed right.

• It is skewed left.

• Mean > Median

• Mean < Median

Describe the variability of the distribution.

• There is little variation from 1 to 6, so the range is 5.

• The distribution is spread from 10 to 60.

• The number of birds varies from 13 to 67, a range of 54.

• The variation in the number of leaves is 1 to 6 per stem.

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform