(See Steps) A research study examines the effect of antioxidants on the elderly. Suppose a researcher obtains a sample of n=16 adults who are between the
Question: A research study examines the effect of antioxidants on the elderly. Suppose a researcher obtains a sample of n=16 adults who are between the ages of 65 and 70. The researcher uses a standardized test to measure cognitive performance. The results show an average increase in performance of M D = 7.4 with SS= 1215. Does this result support the conclusion that the antioxidant supplement has significant effect on cognitive performance? Use a two tailed test with α=.05.
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