c state that neither the normal nor the t distribution applies. Do one of the fo

Question

c state that neither the normal nor the t distribution applies. Do one of the follow ing, as appropriate a Find the critical value /2 b find the critical value t Confidence level 99%; n-18; is unknown; population appears to be normally distributed. /2 Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table Chchher to yen page 2 of the standardno mat tabm Find the critical value. A. B. oc OD, W2 = 2.898 Za/2=2.33 z,,2.2.575 ta/2.2.567 0 E. Neither normal nor t distribution applies.

Explanation / Answer

since population standard deviation is unknown we se t test

t critical value at 17 df with 1% level is 2.898

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