A weatherman stated that the average temperature during July in Chattanooga is 80 degrees. A sample of 32 Julys is taken to test the weatherman's statement and a sample mean of 84 degrees and sample standard deviation of 9) were observed. Assuming a student wants to perform a two-sided alternative test of hypothesis, answer the following; Calculate the 95% Confidence Interval for this test and interpret

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A weatherman stated that the average temperature during July in Chattanooga is 80 degrees. A sample of 32 Julys is taken to test the weatherman's statement and a sample mean of 84 degrees and sample standard deviation of 9) were observed. Assuming a student wants to perform a two-sided alternative test of hypothesis, answer the following;

Calculate the 95% Confidence Interval for this test and interpret the result in the context of
this study.

To reduce the Variability and Bias of the sampling distribution, what must the researcher
do?

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