Biomedical Engineering > GATE 2026 > Probability and Statistics
Which of the following conditions result(s) in a higher statistical power for comparing means of two samples using t-test?
A
An increase in the sizes of both the samples from 100 to 1000
B
An increase in the significance level from α = 0.01 to α = 0.2
C
A decrease in the significance level from α = 0.2 to α = 0.01
D
A decrease in the sizes of both the samples from 1000 to 100

Correct : a,b

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