82.5 EQuestion Hep Use the \'distrital on table to find the critical value s)for

Question

82.5 EQuestion Hep Use the 'distrital on table to find the critical value s)for?indicated a herrat e hypotheses, level of sig nca ce and (b) samples are independent, mormal and sample sizes n, and": Assume that the samples are a dependent norma and random Anwer parts 4a) (a) Find the critical values) assuming that he populafon variances are equal -1.356 (Type an integer or decimal ounded to three decimal places as needed Use a comma to separate answers as needed ) b) Find the critical valuejs) assuming that the population varlances are not equal Type an indeger or decimal rounded to three decimal places as needed Use a comma to separate answers as needed)

Explanation / Answer

a) Critical value assuming that population variances are equal

Level of signficance = 0.10 , degree of freedom = 6 + 8 -2 = 12

Alternative hypothesis is one tailed.

The critical value of the t value is -1.356

b)

Critical value assuming that population variances are not equal

Level of signficance = 0.10 , degree of freedom is smaller of n1-1 or n2 - 1

Therefore, degree of freedom = n1 - 1 = 6 -1 = 5  

Alternative hypothesis is one tailed.

The critical value of the t value is -1.476

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