Corporate sustainability of CPA firms. Refer to
Chapter 4, Problem 121E(choose chapter or problem)
Corporate sustainability of CPA firms. Refer to the Business and Society (March 2011) study on the sustainability behaviors of CPA corporations, Exercise 4.98 (p. 234). Data on the level of support for corporate sustainability (measured on a quantitative scale ranging from 0 to 160 points) for each of 992 senior managers at CPA firms are saved in the accompanying file. In Exercise 4.98 you assumed that the level of support variable was approximately normally distributed.
a. Construct a histogram for the data and use it to evaluate the validity of the normality assumption.
b. Obtain the mean and standard deviation for the data and use these statistics to evaluate the validity of the normality assumption.
c. Obtain the interquartile range (IQR) for the data and use it to evaluate the validity of the normality assumption.
d. Construct a normal probability plot for the data and use it to evaluate the validity of the normality assumption.
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