dietitian wishes to see if a person’s cholesterol level will change if the diet is supplemented by a certain mineral. Five randomly selected subjects were pre-tested, and then they took the mineral supplement for a 6-week period. The Cholesterol level before and after taking the mineral supplements are shown in table below. (Cholesterol level is measured in milligrams pe

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dietitian wishes to see if a person’s cholesterol level will change if the diet is supplemented by a certain mineral. Five randomly selected subjects were pre-tested, and then they took the mineral supplement for a 6-week period. The Cholesterol level before and after taking the mineral supplements are shown in table below. (Cholesterol level is measured in milligrams per deciliter).

Subject:  1      2    3     4     5

Before: 207 210 190 172 225

After:    212 200 188 174 250

Calculate the standard deviation of the mean of the differences, you would find in
hypothesis testing for Paired T test. (Do not test hypothesis.)
Transcribed Image Text:Calculate the standard deviation of the mean of the differences, you would find in hypothesis testing for Paired T test. (Do not test hypothesis.)
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