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STAT 2200 Quiz 1: Hypothesis Testing and Confidence Intervals, Quizzes of Data Analysis & Statistical Methods

University of Missouri (MU) - Columbia Data Analysis & Statistical Methods

Quiz 1 for stat 2200, a university-level statistics course. It includes two problems related to hypothesis testing and confidence intervals. Students are required to calculate test statistics, determine critical values, and interpret results.

Typology: Quizzes

Pre 2010

Uploaded on 08/18/2009

koofers-user-2mr-1 🇺🇸

10 documents

1 / 2

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Download STAT 2200 Quiz 1: Hypothesis Testing and Confidence Intervals and more Quizzes Data Analysis & Statistical Methods in PDF only on Docsity! STAT 2200 QUIZ #1 T. DeWees Name: Score: Show ALL work for ALL problems. 1. I sampled 32 scores from Quiz 1 and found the average to be 82.35 with a standard deviation of 9.13. (a) (5 points) Complete a test at the α = .01 level that the true average grade was greater than 80. (b) (7 points) Complete a 95% Confidence Interval for the true score..... Interpret.... Tell me what it would mean for a two-tailed hypothesis test that the average score is 75. 1

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