Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
13th Edition
ISBN: 9781337148092
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Textbook Question
Chapter 11.2, Problem 15E
Consider the following hypothesis test.
- a. What is your conclusion if n1 = 21,
- b. Repeat the test using the critical value approach.
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Students have asked these similar questions
Suppose that we are to conduct the following hypothesis test:
H0:μ=136
H1:μ≠136
Suppose σ is not known. Taking a sample of 11 lead to a test statistic of tc=−2.228
The p-value is
For α=0.01, what would be the decision for the hypothesis test? A. Reject H1.B. Do Not Reject H1.C. Do Not Reject H0.D. Reject H0.
You collect N = 200 frogs from a pond and find that 120 of them are female. You wish to conduct the following hypothesis test (α = 0.05) for p (the proportion of female frogs in the pond):
H0 : p = 0.55
HA : p > 0.55
Determine which of the following statements are true. Assume the true p = 0.65.
I. The one-sided p-value is 0.1528.
II. You reject the null hypothesis H0.
III. You fail to reject H0 and make a Type II error.
Group of answer choices
I and III only
III only
I only
None of the Above
II only
Consider the following hypothesis test.
H0: μ = 100
Ha: μ ≠ 100
A sample of 65 is used. Identify the p-value and state your conclusion for each of the following sample results. Use
α = 0.05.
(a)
x = 103 and s = 11.5
Chapter 11 Solutions
Bundle: Statistics for Business & Economics, Loose-Leaf Version, 13th + MindTap Business Statistics with XLSTAT, 1 term (6 months) Printed Access Card
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- You are conducting a multinomial hypothesis test (αα = 0.05) for the claim that all 5 categories are equally likely to be selected. Category ObservedFrequency A 23 B 18 C 12 D 14 E 7 What is the chi-square test-statistic for this data?χ2=What are the degrees of freedom for this test?d.f. =arrow_forwardYou are conducting a multinomial hypothesis test (α= 0.05) for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency A 19 B 9 C 17 D 6 E 12 What is the chi-square test-statistic for this data? (Report answer accurate to three decimal places.)χ2=What are the degrees of freedom for this test? d.f.= What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null accept the alternative As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. There is not sufficient evidence to warrant rejection of the claim that all 5 categories are equally likely to be selected. The sample data…arrow_forwardHelparrow_forward
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