Share
Explore BrainMass

Hypothesis testing

Please see the small data attached.

I need analysis showing following.

1) Mean calculation and T test calculation based on the data. I want ALL the steps on how you got the answers please.

2) 2 graphs made by excel showing comparison of mean between the control and unibrow group. and the other needs to show the rejection region.

3) Explanation as to what the answers mean. For example. Is the null hypothesis rejected? why or why not? according to the calculations what do they prove about the research? these types of things.

Attachments

Solution Preview

I am enclosing a word file with all intermediate steps for the calculation of mean, standard deviation, degrees of freedom, pooled variance, and difference of sample means (T134717N.doc)

Simple analysis
Please see the small data attached.

I need analysis showing following.

1) Mean calculation and T test calculation based on the data. I want ALL the steps on how you got the answers, please.

2) 2 graphs made by excel showing a comparison of mean between the control and unibrow group. and the other needs to show the rejection region.

3) An explanation as to what the answers mean. For example. Is the null hypothesis rejected? why or why not? according to the calculations, what do they prove about the research? these types of things. ...

Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

$2.19