Stats Final Review

The distribution of times is skewed to the left. The times vary from about 20 minutes to 60 minutes, and there don't seem to be any obvious outliers.

Which component is missing from the description?

• Shape

• Outlier

• Center

• Spread

The upper box plot shows the top 12 men's long jumpers at the U.S. qualifying meet. The lower box plot shows the distances (in meters) achieved in the men's long jump at the 2012 Olympic games. Which pieces of information can be gathered from these box plots?

• Jumps were farther on average for the U.S. Qualifier

• Jumps were farther on average for the Olympics

• Data varied more during the U.S. Qualifier

The dot plot below shows how many chocolate chips were in each cookie Emilia took to work.

Find the MEAN number of chocolate chips.

• 5

• 4.8

• 6

• 8

The dot plot below shows how many chocolate chips were in each cookie Emilia took to work.

Find the MEDIAN number of chocolate chips.

• 5

• 4.8

• 6

• 8

Researchers scored 31 athletes on an agility test. What is the approximate location on the median?

• A

• B

• C

Find the Interquartile Range (IQR) of the data in the box plot.

• 7.5

• 5.5

• 6

• 2

The five-number summary for the number of stylists employed by each hair salon in a city is shown in the following table. 75% of salons have fewer than what number of stylists employed?

• 7

• 9

• 12

• 15

• 18

The following histogram summarizes the ages of the 25 employees who work for Elon's company.

How many LOW outliers are in the data set?

• 0

• 1

• 2

• 3

The following dot plot shows the number of songs on each of the 19 albums in Sal's collection. Each dot represents a different album.

What is an estimate to the percentile for the album with 14 songs?

• 16th Percentile

• 69th Percentile

• 84th Percentile

• 89th Percentile

What is the probability of a meerkat living between 16.1 and 17.6 years?

• 2.35%

• 34%

• 95%

• .15%