Question

You have graduated an joined a small consulting firm which specializes in employee satisfaction surveys. The firm uses a Likert scale with responses from 1 to 7. You are examining the data for one of your largest clients. Each year your firm generates the proportion of 6 and 7 scores to the question, " I would recommend working at this company to my friends, relatives and neighbors." Over the past the proportion in the 6 and 7 category has averaged 0.75. This year 60 of 88 respondents have responded with a 6 or 7 to this question. You want to use a hypothesis test to see if the score has decreased using an alpha of .05.  

(Use two decimals for all answers)

1.  What is the null equal?

2.  What is the level of significance?

3.  Number of items of interest are?

4.  Sample size is ?  

5.  Sample proportion is ?

6.  P-hat minus Pi is ?

7.  Z test statistic is?

8.  The lower critical value is ?

9.  The p-value is ?

10.  Do you "reject" or "not reject" the null hypothesis?

Answer 1