For this study, we should use t-test for a population mean The null and alternative hypotheses would be: 4o: μν The test statistic t |(pleas show your answer to 3 decimal places.) The p-value (Please show your an %3D II

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 87E
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The average American gets a haircut every 42 days. Is the
average larger for college students? The data below shows
the results of a survey of 11 college students asking them
how many days elapse between haircuts. Assume that the
distribution of the population is normal.
40, 50, 40, 46, 47, 45, 50, 53, 42, 37, 39
What can be concluded at the the a =
0.05 level of
significance level of significance?
a. For this study, we should use
t-test for a population mean
b. The null and alternative hypotheses would be:
Но:
%3D
H1:
c. The test statistic
(please
show your answer to 3 decimal places.)
d. The p-value
(Please show your answer
to 3 decimal places.)
Transcribed Image Text:The average American gets a haircut every 42 days. Is the average larger for college students? The data below shows the results of a survey of 11 college students asking them how many days elapse between haircuts. Assume that the distribution of the population is normal. 40, 50, 40, 46, 47, 45, 50, 53, 42, 37, 39 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Но: %3D H1: c. The test statistic (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 3 decimal places.)
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