A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability (measured on a quantitative scale ranging from 0 to 160 points) was obtained for each in a sample of 984 senior managers at CPA firms. The CEO of a CPA firm claims that the true mean level of support for sustainability is 66. a. Specify the null and alternative hypotheses for testing this claim. A. H0: μ=66 Ha: μ<66 B. H0: μ≠66 Ha: μ=66 C. H0: μ=66 Ha: μ>66 D. H0: μ=66 Ha: μ≠
A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability (measured on a quantitative scale ranging from 0 to 160 points) was obtained for each in a sample of 984 senior managers at CPA firms. The CEO of a CPA firm claims that the true mean level of support for sustainability is 66. a. Specify the null and alternative hypotheses for testing this claim. A. H0: μ=66 Ha: μ<66 B. H0: μ≠66 Ha: μ=66 C. H0: μ=66 Ha: μ>66 D. H0: μ=66 Ha: μ≠
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability (measured on a quantitative scale
a. Specify the null and alternative hypotheses for testing this claim.
H0:
μ=66
Ha:
μ<66
H0:
μ≠66
Ha:
μ=66
H0:
μ=66
Ha:
μ>66
H0:
μ=66
Ha:
μ≠
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Follow-up Question
What is a Type I error in this problem?
A Type I error would be to conclude that the true mean level of support for sustainability is not
66
when, in fact, the mean is equal to
66.
A Type I error would be to conclude that the sample mean level of support for sustainability is greater than
66
when, in fact, the sample mean is less than
66.
A Type I error would be to conclude that the true mean level of support for sustainability is
66
when, in fact, the mean is not equal to
66.
A Type I error would be to conclude that the sample mean level of support for sustainability is less than
66
when, in fact, the sample mean is greater than
66.
Solution
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