What are the null and alternative hypotheses? Where did you obtain your data or who obtained it for you?

You are in charge of conducting an analysis for your organization to see if there is a difference between manager and individual contributor employee satisfaction. Your coworker has already collected the data and it is ready for you to analyze.

Review the data your coworker collected in the Analysis of t-Test Data Spreadsheet.

First, plan your analysis. Second, conduct your analysis. Third, describe your analysis. Address the following in your presentation.

Create a 5- to 7-slide Microsoft® PowerPoint® presentation and include speaker notes. Include the following elements in your presentation.

Part 1: Planning
What are the null and alternative hypotheses?
Where did you obtain your data or who obtained it for you?

Part 2: Analysis
What are the descriptive statistics for your sample? Include:
Sample size
Mean
Median
Mode
Standard deviation
Analysis Procedures: What did you do to conduct your analysis?

Part 3: Results and Discussion
What are the test statistics and results? Include
t statistic
p-value
What are the results? Are the results inferable to the population?
Do you reject or fail to reject the null hypothesis? Explain.
What do the results mean? What is your recommendation to the organization? Participant ID
Role Satisfaction Score
1 Manager 78
2 Manager 54
3 Manager 75
4 Manager 54
5 Manager 89
6 Manager 56
7 Manager 34
8 Manager 56
9 Manager 87
10 Manager 12
11 Manager 67
12 Manager 98
13 Manager 100
14 Manager 78
15 Manager 23
16 Manager 67
17 Manager 4
18 Manager 76
19 Manager 86
20 Manager 82
21 Manager 39
22 Manager 36
23 Manager 23
24 Manager 72
25 Manager 35
26 Individual Contributor 36
27 Individual Contributor 84
28 Individual Contributor 26
29 Individual Contributor 84
30 Individual Contributor 21
31 Individual Contributor 45
32 Individual Contributor 73
33 Individual Contributor 14
34 Individual Contributor 34
35 Individual Contributor 23
36 Individual Contributor 1
37 Individual Contributor 23
38 Individual Contributor 67
39 Individual Contributor 23
40 Individual Contributor 74
41 Individual Contributor 13
42 Individual Contributor 42
43 Individual Contributor 12
44 Individual Contributor 41
45 Individual Contributor 22
46 Individual Contributor 23
47 Individual Contributor 78
48 Individual Contributor 89
49 Individual Contributor 98
50 Individual Contributor 23
51 Individual Contributor 63
52 Individual Contributor 12
53 Individual Contributor 43

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