Determine the answers of the following questions:  A clinic provides a program to help their clients lose weight and asks a consumer agency to investigate the effectiveness of the program. The agency takes a sample of 15 people, weighing each person in the sample before the program begins and 3 months later to produce the table below. Determine whether the program is effective. The information collected was encoded in MS Excel. Using data analysis, the following values are generated: 1. What is the critical value? 2. What is the test statistic/computed value? 3. What is the decision?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Determine the answers of the following questions: 

A clinic provides a program to help their clients lose weight and asks a consumer agency to investigate the effectiveness of the program. The agency takes a sample of 15 people, weighing each person in the sample before the program begins and 3 months later to produce the table below. Determine whether the program is effective. The information collected was encoded in MS Excel. Using data analysis, the following values are generated:

1. What is the critical value?

2. What is the test statistic/computed value?

3. What is the decision?

t-Test: Paired Two Sample for Me ans
Mean
Variance
Observations
Pearson Correlation
Hypothesized Mean Difference
df
t Stat
P(T<=t) one-tail
t Critical one-tail
P(T<=t) two-tail
t Critical two-tail
Before After
207.9333
815.781
15
0.98372
0
14
6.6897
5.14E-06
1.76131
1.03E-05
2.144787
197
595
15
Transcribed Image Text:t-Test: Paired Two Sample for Me ans Mean Variance Observations Pearson Correlation Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Before After 207.9333 815.781 15 0.98372 0 14 6.6897 5.14E-06 1.76131 1.03E-05 2.144787 197 595 15
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