Biotechnology Engineering (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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21.

The best way to determine whether a statistically significant difference in two means is of practical importance is to

A: Find a 95% confidence interval and notice the magnitude of the difference.
B: Repeat the study with the same sample size and see if the difference is statistically significant again.
C: See if the p-value is extremely small.
D: See if the p-value is extremely large.

The answer is: A

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