A large insurance company hired you as a consultant
1) A large insurance company hired you as a consultant and your job is to find out why the company morale is solow in a few of their departments. The first thing that you do is to send out a leadership effectivenessquestionnaire to 11 managers and 14 staff members. The survey is in a Lickert-type of format, from 1 to 20, with1 meaning really bad leadership and 20 meaning the best leadership in the world! From the data below, can yousay that there is a statistically significant difference in the leadership attitudes between the management andstaff? Managers19871161010 Managers1215197131214 Staff97146812 Staff79798 a. What is the null hypothesis?b. What is the alternative hypothesis?c. What is the Independent Variable (IV)?d. What is the Dependent Variable (DV)?c. What is the test statistic?d. What is the P-value?e. Do we accept or reject the null hypothesis at the 5% level of significance? (Is it statistically significant at the5% level? (alpha = .05)) 2) You decide that you want to look at the leadership attitudes between the mangers and the executives, so yourepeat the survey. From the data below, can you say that there is a statistically significant difference in theleadership attitudes between the management and the executives? Managers Managers Executives Executives 1215197131214 19871161010 12101449119 9997 a. What is the null hypothesis?b. What is the alternative hypothesis?c. What is the Independent Variable (IV)?d. What is the Dependent Variable (DV)?c. What is the test statistic?d. What is the P-value?e. Do we accept or reject the null hypothesis at the 5% level of significance? (Is it statistically significant at the5% level? (alpha = .05)) 3) Which type of statistical analysis would you use to compare leadership attitudes between the staff,managers and executives all at the same time (in one statistical analysis instead of two t tests)?
