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 fo r 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. Complete parts a through e. One sample t-test and z-test Theoretical mean: 66 Significance level (%): 5 Summary statistics: Variable Observations Minimum Maximum Mean Std. deviation Support 984 2.000 154.000 67.873 26.768 One-Sample z-test / Two-tailed test: 95% confidence interval on the mean: (66.200,69.546) Difference 1.8730 z (Observed value) 2.1949 z (Critical value) 1.9600 p-value (Two-tailed) 0.0282 alpha 0.05 c. The provided printout of the analysis gives the results of the test. Locate the test statistic and the p-value on the printout. test statistic: enter your response here p-value: enter your response here (Type integers or decimals. Do not round.)

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 ranging from 0 to 160 points) was obtained fo

r 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.

Complete parts a through

Variable	Observations	Minimum	Maximum	Mean	Std. deviation
One sample t-test and z-test

Theoretical mean: 66
Significance level (%): 5

Summary statistics:
Support	984	2.000	154.000	67.873	26.768

One-Sample z-test / Two-tailed test:
95% confidence interval on the mean:
	(66.200,69.546)


Difference	1.8730
z (Observed value)	2.1949
z (Critical value)	1.9600
p-value (Two-tailed)	0.0282
alpha	0.05