Mathematics, 22.04.2021 23:30 HaJEReMY5170
A teacher is wondering if 1st period students tend to do better on tests than 2nd period students. She takes a random sample of 5 1st period students whose scores were 98, 86, 75, 92, and 90. She takes a random sample of 3 2nd period students whose scores were 91, 89, and 87.
Suppose that the original distributions of scores are normally distributed. Do these data give evidence that the 1st period students do better?
Perform the appropriate hypothesis test. Show all work.
Answers: 1
Mathematics, 21.06.2019 13:50
Question and answers are in the attached picture. you so much in advance.
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Mathematics, 21.06.2019 20:40
Ineed someone to me answer my question i have to have this done and knocked out
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Mathematics, 21.06.2019 21:00
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
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Mathematics, 22.06.2019 01:30
Two numbers have a sum of 93. if one number is p, express the other number in terms of p.
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A teacher is wondering if 1st period students tend to do better on tests than 2nd period students. S...
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