QRE Question 8
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Atest used to predict college readiness is given to two random groups of students, Group A and Group B. The results for the groups are shown below.
Group A 16, 18, 18, 19, 19, 19, 20, 21, 21, 21, 22, 23, 26, 26, 27, 28, 29, 29, 30, 31
Group B 16, 16, 17, 19, 20, 21, 21, 21, 23, 23, 23, 24, 24, 25, 27, 27, 29, 30, 30, 30
Which of these statements are true? Choose all that are correct.