Draw informal comparative inferences about two populations.>Comparing Data Distributions and Variability(CCSS.7.SP.3) Practice Test

Two classes took the same quiz. Class A test scores: 80, 82, 84, 86, 88, 90, 84, 86. Class B test scores: 76, 80, 82, 84, 86, 88, 82, 86. Which statement about the centers and variability is true?

Two classes took a different test. Class M test scores: 70, 72, 74, 75, 78, 80, 82, 76. Class N test scores: 68, 70, 73, 75, 77, 79, 81, 74. Which statement about the medians and ranges is true?