9-70: Do 7th graders read more than 6th graders during the summer? Serena's class asked 30 parents to estimate how many pages their children read over the summer. They collected the following data.
7th graders:
6th graders:
a. Make parallel box plots...
9-70 a. Compare the center, shape, spread and outliers.
9-70 b. It cannot be concluded that 7th graders read more. The difference of 30 pages is less than 1/4 of an IQR.