Do SAT coaching classes work? Do they help students to improve their test scores? Four students were selected randomly f

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Do Sat Coaching Classes Work Do They Help Students To Improve Their Test Scores Four Students Were Selected Randomly F 1 (133.26 KiB) Viewed 25 times

Do SAT coaching classes work? Do they help students to improve their test scores? Four students were selected randomly from all of the students that completed an SAT coaching class. For each student, we recorded their first SAT score (before the class) and their second SAT score (after the coaching class). 4 First SAT score 920 Second SAT score 1020 Select one: a. 67.5± 86.5 O b. 67.5 ± 66.7 67.5 ± 72.3 O d. 67.5 ± 82.9 e. Find a 95% Confidence interval for the true population average of difference (true population average Second SAT score - true population average First SAT score). 1 67.5 ± 103.5 Student 2 3 900 820 940 1010 810 1010