Centers of Distributions

Which distribution has a GREATER measure of center?

• 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.

Select all the types of distributions below that have a mean EQUAL to its median.

• Symmetric

• Skewed right

• Bell Curve

• Skewed Left

• Uniform

Which statement is true about the distribution shown?

• Mean = Median

• Mean > Median

• Mean < Median

When the data distribution is skewed, which is the better measure of CENTER?

• Mean

• Median

• Mode

• Standard Deviation

• Interquartile Range

What is true about the mean and median?

• Mean = Median

• Mean > Median

• Mean < Median

• Cannot be determined from the picture.

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 that statements that are true based on the box plot.

• It is skewed right.

• It is skewed left.

• Mean > Median

• Mean < Median

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease

• The median will decrease

• The mean will increase

• The median will increase

The data below represent the ages of several people in a class.What effect does Mr. Smith’s age have on the data set?

• Mr. Smith’s age increases the mode of the data.

• Mr. Smith’s age decreases the mean of the data.

• Mr. Smith’s age increases the mean of the data.

• Mr. Smith’s age increases the median of the data.