Question

If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make if ZSTAT = - 2.29? Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table Determine the decision rule. Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) O A. Reject Ho []<ZsTAT< ] OB. Reject H, if ZSTAT - or ZSTAT > + O C. Reject H, if ZSTA - OD. Reject H, if ZSTAT>

Answer 1

Solution :

Given that,

This is the two tailed test ,

z = -2.29

$\alpha$ = 0.05

Critical values are :

$\alpha$ / 2 = 0.05 / 2 = 0.025

Z_$\alpha$/2 = Z _0.025 = +/-1.96

B) Reject H0 if Z _STAT < -1.96 or Z _STAT > +1.96