Question: under which condition will it be very difficult to detect a treatment effect using the T-statistic? In other words, when will t-obtained be the SMALLEST

under which condition will it be very difficult to detect a treatment effect using the T-statistic? In other words, when will t-obtained be the SMALLEST value?

a) with a small sample size and low sample variance

b)with a small sample size and high sample variance

c) with a large sample size and low sample variance

d) with a large sample size and high sample variance

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