A survey tracks a nationally representative sample of students from eighth grade through high school and college Researc

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A Survey Tracks A Nationally Representative Sample Of Students From Eighth Grade Through High School And College Researc 1 (27.13 KiB) Viewed 113 times

A survey tracks a nationally representative sample of students from eighth grade through high school and college Research published in a journal examined the scores of 265 students who paid a private tutor to help them improve their scores. The table below summarizes the changes in both the Mathematics and Verbal scores for these students Complete parts a through c Math Verbal Mean change in score 17 8 Standard deviation of score 65 49 changes 8 a. Suppose one of the 265 students who paid a private tutor is selected at random. Give the interval that is likely to contain this student's Math score, that is, the interval that contains of the changes in students Math scores. 178. 212 ) (Type your answer in interval notation) b. Repeat part a for the Verbal score. (0:) (Type your answer in interval notation)