# PSY 315 Week 4 Inferential Research and Statistics Project, Part 2

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PSY 315 Week 4 Inferential Research and Statistics Project, Part 2

Resource: Inferential Research and Statistics Project

Complete Part 2 of the Inferential Research and Statistics Project.

Use the provided data set from Week 3.

Select the Assignment Files tab to submit your assignment.

Note: If you have trouble using Microsoft® Excel® to complete this portion of the project, please review the t Test: Two-Sample Assuming Equal Variances Tutorial.

Part 2

Analyze the data from Part 1 using Microsoft® Excel® software.

Write a 700- to 875-word paper that includes the following information:

Describe what method you are using to compare groups.

Copy and paste the output into a Microsoft® Word document, and also answer the following questions:

o    What is the significance level of the comparison?

o    What was the alpha level you identified in Week 3?

o    What was the means and variance for each variable?

o    What was the test statistic?

o    What was the critical value for both the one- and two-tailed test?

o    Was your test one-tailed or two-tailed?

o    Were you able to reject the null hypothesis? In other words, did you prove there was a difference?

Talk about what these results mean in everyday language and in context to your chosen scenario.

Make a recommendation based on the findings.

Format your paper according to APA guidelines.

Example of Output You Would Use to Answer These Questions

t Test: Two-Sample Assuming Equal Variances

Variable 1
Variable 2
Mean
4.875
8
Variance
5.267857143
18.28571429
Observations
8
8
Pooled variance
11.77678571

Hypothesized mean difference
0

df
14

t stat
-1.821237697

P(T <= t) one-tail
0.045002328

t Critical one-tail
1.761310136

P(T <= t) two-tail
0.090004655

t Critical two-tail
2.144786688