Non-profits , last one The researchers from Exercise 2 want to test if the proportions of satisfied employees are the same at for-profit companies as at not-for-profit companies. a) What is the...

Non-profits,
last one
The researchers from Exercise 2 want to test if the proportions of satisfied employees are the same at for-profit companies as at not-for-profit companies.

a) What is the difference in the proportions of the two types of companies?

b) What is the pooled proportion of satisfied employees in both types of companies combined?

c) What is the standard error of the difference in part a?

d) What is the value of the
z-statistic?

e) What do you conclude at ?

Non-profits, last one The researchers from Exercise 2 want to test if the proportions of satisfied employees are the same at for-profit companies as at not-for-profit companies. a) What is the difference in the proportions of the two types of companies? b) What is the pooled proportion of satisfied employees in both types of companies combined? c) What is the standard error of the difference in part a? d) What is the value of the z-statistic? e) What do you conclude at? 0.05 a =