Question: Find an approximate 95% CI. a. H 0 := 50 x =53.4 standard error of x = 4 (round your answers to 1 decimal place)

Find an approximate 95% CI. a. H0:= 50 x=53.4 standard error ofx= 4 (round your answers to 1 decimal place) The approximate 95% CI foris _ to _. The result of the hypothesis test is:

Reject H0, because the null value is inside the 95% CI.

Reject H0, because the null value is outside the 95% CI.

Fail to reject Ho because the null value is outside the 95% CI.

b.

H0:= -2 x=-2.24 standard error ofx= 0.73 (round your answers to 2 decimal place) The approximate 95% CI foris _ to _. The result of the hypothesis test is:

Reject H0, because the null value is inside the 95% CI.

Reject H0, because the null value is outside the 95% CI. Fail to reject H0, because the null value is inside the 95% CI.

c.

H0:1-2= 0 x1= 81008,x2= 93264 standard error ofx1-x2= 1642 The approximate 95% CI for1-2is _ to _. The result of the hypothesis test is:

Reject H0, because the null value is inside the 95% CI.

Reject H0, because the null value is outside the 95% CI. Fail to reject H0, because the null value is inside the 95% CI.

Fail to reject H0, because the null value is outside the %95 CI.

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