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Problem 1. USA TODAY reported that the overall mean score for the SAT test in the U.S. was 910. Suppose that in a school district, the average SAT score of a group of 15 students in that year was 930. Can the superintendent of that school district conclude that the students in his/her school district scored higher than the national average? Using rejection region method. Assume that the sample standard deviation of SAT scores of these 15 students was 50. Assume that the test scores are normally distributed.

Problem 1. USA TODAY reported that the overall mean score for the SAT test in the U.S. was 910. Suppose that in a school district, the average SAT score of a group of 15 students in that year was 930. Can the superintendent of that school district conclude that the students in his/her school district scored higher than the national average? Using rejection region method. Assume that the sample standard deviation of SAT scores of these 15 students was 50. Assume that the test scores are normally distributed.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Problem 1. USA TODAY reported that the overall mean score for the SAT test in the U.S. was 910. Suppose that in a school district, the average SAT score of a group of 15 students in that year was 930. Can the superintendent of that school district conclude that the students in his/her school district scored higher than the national average? Using rejection region method. Assume that the sample standard deviation of SAT scores of these 15 students was 50. Assume that the test scores are normally distributed.
Transcribed Image Text:Problem 1. USA TODAY reported that the overall mean score for the SAT test in the U.S. was 910. Suppose that in a school district, the average SAT score of a group of 15 students in that year was 930. Can the superintendent of that school district conclude that the students in his/her school district scored higher than the national average? Using rejection region method. Assume that the sample standard deviation of SAT scores of these 15 students was 50. Assume that the test scores are normally distributed.
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