Inferential Statistics Research project

    

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

Part 3

Create a 12- to 15-slide presentation using the information you gathered and submitted in Weeks 3 & 4. Include the following:

· Describe the problem, and provide some brief background about the situation.

 

· Explain the research hypothesis.

atleast 100 words for speaker notes 

· Describe your sample and your sampling method.

 

· Explain the four steps of the research process you followed, and define the critical value and the test statistic your analysis provided.

 

· Provide the main finding of the study. What did you prove or fail to prove?

 

· Provide recommendations based on your findings.

 

Format any citations in your presentation according to APA guidelines.

 

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