Problem 3: [5 pts.]In order to investigate if the systolic blood pressure measurements vary in standing and...

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Statistics

Problem 3: [5 pts.]Inorder to investigate if the systolic blood pressure measurementsvary in standing and lying positions the systolic blood pressurelevels of sample of 12 persons were measured in both positions(first in standing position and then in lying position). The dataof this experiment are recorded in SSPS fileAssn1Q3.sav.
A researcher believes the mean systolic blood pressure level instanding position is more than that in lying position. Test theappropriate hypothesis to investigate the researcherâ€™s belief atalpha=0.05.
Find the 95% confidence interval for the difference in meansystolic blood pressure levels in two positions. Interpret theresult.
Please mentioned the steps in SPSS
The table is for the data.
Lying Standing
132.00
146.00
135.00
141.00
139.00
162.00
128.00
137.00
145.00
151.00
131.00
143.00 136.00
145.00
140.00
147.00
142.00
160.00
137.00
136.00
149.00
158.00
120.00
150.00

Answer & Explanation Solved by verified expert

4.5 Ratings (962 Votes)

First you have to note down all the values in a single column both lying and standing and then you have to define a grouping variable where there will be two distinct values Lying and Standing So in the variable Group which is a grouping variable you should have 12 values as Lying and 12 values as Standing corresponding to the original values of those groups Your data should look like this 13200 Lying 14600 Lying 13500 Lying 14100 Lying 13900 Lying 16200 Lying 12800 Lying 13700 See Answer

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Lying	Standing
132.00 146.00 135.00 141.00 139.00 162.00 128.00 137.00 145.00 151.00 131.00 143.00	136.00 145.00 140.00 147.00 142.00 160.00 137.00 136.00 149.00 158.00 120.00 150.00