Question: In a study with two independent samples drawn from a population, an observed t (t orbs) represents the observed variation between two sample means adjusted

In a study with two independent samples drawn from a population, an observed t (t orbs) represents the observed variation between two sample means adjusted by the expected variation between the two sample means due to sampling error. is this true?

The obserbed statistic constructed as a direct test of the null hypothesis is what?

t obs
t critical
f obs
f critical

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