Direction: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation (Output) is already provided to you. A dose of the drug Captrofil, designed to lower systolic blood pressure (SBP), is administered to 10 randomly selected volunteers, with the following results. Test the effectiveness of the drug. Use 5% level SBP before pill SBP after pill 120 136 160 98 115 110 180 190 138 128 118 122 143 105 086 08 190 98 98 COMPUTER OUTPUT: t-Test: Paired Two Sample for Means 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 SBP before pill 137.5 921.1666667 10 0.932322838 9 3.365977881 0.004154942 1.833112923 0.008309883 2.262157158 175 105 112 SBP after pill 125.6 925.6 10

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Direction:
Perform hypothesis testing. Show all the steps and solutions.
Note: Excel / Stat computation (Output) is already provided to you.
A dose of the drug Captrofil, designed to lower systolic blood pressure (SBP), is
administered to 10 randomly selected volunteers, with the following results. Test the
effectiveness of the
drug. Use 5% level
SBP before
pill
SBP after
pill
120 136 160 98 115 110 180
118 122 143 105 98 98 180
COMPUTER OUTPUT:
t-Test: Paired Two Sample for Means
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
SBP before pill
137.5
921.1666667
10
0.932322838
0
9
3.365977881
0.004154942
1.833112923
0.008309883
2.262157158
190 138 128
175
105 112
SBP after pill
125.6
925.6
10
Transcribed Image Text:Direction: Perform hypothesis testing. Show all the steps and solutions. Note: Excel / Stat computation (Output) is already provided to you. A dose of the drug Captrofil, designed to lower systolic blood pressure (SBP), is administered to 10 randomly selected volunteers, with the following results. Test the effectiveness of the drug. Use 5% level SBP before pill SBP after pill 120 136 160 98 115 110 180 118 122 143 105 98 98 180 COMPUTER OUTPUT: t-Test: Paired Two Sample for Means 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 SBP before pill 137.5 921.1666667 10 0.932322838 0 9 3.365977881 0.004154942 1.833112923 0.008309883 2.262157158 190 138 128 175 105 112 SBP after pill 125.6 925.6 10
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