[Solution Library] You are a health counselor and certified physical fitness worker for a local health club. You have been assigned to prove the beneficial


Question: You are a health counselor and certified physical fitness worker for a local health club. You have been assigned to prove the beneficial results of your weight reduction program. You have pulled the files on 18 women, who all began your program six months ago and who are still participating. Below are the beginning and ending weights in pounds for these women. Assume α = .05 for this assignment.

Show work in an Excel file

  1. Write a null and alternative hypothesis for this statistical evaluation in plain English.
  2. Conduct a dependent or paired t -test of the two data samples, using either Excel or PHStats. Report your results and explain why the results support or do not support your claim of beneficial results.
  3. Using the same two data samples, conduct an independent t -test of means. Report your results and explain why the results support or do not support your claim of beneficial results.
  4. Why are the results different for the two tests?
  5. Which test is the correct one to use, and why?
  6. What concerns might you have about the results of the correct test?

Table 6

Weights – Program Participants

Participant Start Weight End Weight
1 163 144
2 139 127
3 155 126
4 144 134
5 158 169
6 139 142
7 149 129
8 170 194
9 153 147
10 141 133
11 169 176
12 198 171
13 159 146
14 139 119
15 143 149
16 168 155
17 149 158
18 163 147

Price: $2.99
Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document

log in to your account

Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in