Mathematics, 27.04.2021 22:50 maciemarklin3032

A researcher obtains a sample of n=25 adults who are between the ages of 65 and 75. The researcher measures cognitive performance for each individual before and
after a two-month program in which participants receive daily doses of a blueberry
supplement. The results show an average increase in performance of Mp= 8, with SS
= 1200.
Does the result support the conclusion that the blueberry supplement significantly
increase cognitive performance? Use a one-tailed test with a = .01
The alternative hypothesis in words is

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A researcher obtains a sample of n=25 adults who are between the ages of 65 and 75. The researcher...

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