Appropriate Center and Variability

The box plots show the heights of hockey players and volleyball players.

True or false: Hockey Players have greater variability than Volleyball Players

• True

• False

The box plots show the heights of hockey players and volleyball players.

True or false: The interquartile range (IQR) of Hockey Players is equal to the interquartile range (IQR) of Volleyball Players

• True

• False

The box plots show the heights of hockey players and volleyball players.

True or false: The median of Hockey Players is greater than the median of Volleyball Players.

• True

• False

The boxplots display the distributions of homework time (in hours/week) of a sample of 8^th graders (year 8) and seniors (year 12). True or false: Students in year 12 typically spent more time on homework than students in year 8.

• True

• False

The best description of the data is ​ ​ (a)   . ​ ​ The most appropriate measure of center is the​ ​ (b)   . The most appropriate measure of variability is the ​ ​ (c)   .

• range

• mean

• skewed left

• median

• IQR

• skewed right

• symmetric

• symmetric with an outlier

The best description of the data is ​ (a)   . ​ ​ The most appropriate measure of center is the​ (b)   . The most appropriate measure of variability is the ​ (c)   .

• range

• mean

• IQR

• median

• skewed right

• symmetric

• symmetric with an outlier

• skewed left

The best description of the data is ​ (a)   . ​ ​ The most appropriate measure of center is the​ (b)   . The most appropriate measure of variability is the ​ (c)   .

​

• range

• mean

• IQR

• median

• skewed right

• symmetric

• symmetric with an outlier

• skewed left

The boxplots display the distributions of homework time (in hours/week) of a sample of 8^th graders (year 8) and seniors (year 12).

True or false: The middle half of the data for students in year 12 has more variability than students in year 8.

• True

• False

What measure of center is most appropriate to use to describe a typical value for the data in this distribution?

• Mean

• Median

• Mode

What measure is most appropriate for describing variability in this data distribution?

• Standard Deviation

• Interquartile Range (IQR)