an independent-measures research study uses two samples each with n equals 12 to

Question

an independent-measures research study uses two samples each with n equals 12 to compare two treatments if the results are evaluated with a t statistic using a two-tailed test with a equals 0.05 then what are the boundaries for the critical region

utpenuelt-measures research study uses two... An independent-measures research study uses two samples, each with n = 12 results are evaluated with a t statistic using a two-tailed test with = 0.05, the critical region? O t= 2.074 t-±2.201 O t=±2.069 O t= ±2.228

Explanation / Answer

Here two sample t-test will be applicable. Here n=12 for each group.

Hence df=12+12-2=22

Significance level =0.05

So critical point is t22,0.975=2.074

So option is A here considering both side testing.

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