Analyzing and Comparing Data

Use the dot plots to compare the number of raffle tickets sold by boys and girls during a school fundraiser. Which plot has an outlier?

• Girls

• Boys

• both plots

• neither plot

What is the difference between the medians for the two data sets?

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets

What is the interquartile range (IQR) for the checkers club?

• 4

• 5

• 10

• 11

Which data set has a greater spread (range)?

• Chess Club

• Checkers Club

• They have the same spread

• You cannot tell from the box plots

Which club has more members whose ages are greater than 12?

• Chess Club

• Checkers Club

Statistical measures are shown for the number of hours per week spent doing homework by the students in two classes. Which statement about the data is true?

• The difference of the means is equal to the mean absolute deviation

• The difference of the means is 1.5 times the mean absolute deviation

• The difference of the means is 2 times the mean absolute deviation

• The difference of the means is 4 times the mean absolute deviation

The dot plots show hours some students studied. What percent of the class studied less than 4 hours in math?

• 26.3%

• 73.7%

• 0.263%

• 0.737%

Find the median for science

• 3 hours

• 2.76 hours

• 4.5 hours

• 4.18 hours

Find the median score for math

• 3 hours

• 2.76 hours

• 4.5 hours

• 4.18 hours

Which has a greater spread (range)

• Science

• Math