Do one of the following, as appropriate. (a) Find the critical value z Subscript

Question

Do one of the following, as appropriate. (a) Find the critical value z Subscript alpha divided by 2z/2, (b) find the critical value t Subscript alpha divided by 2t/2, (c) state that neither the normal nor the t distribution applies. Confidence level 90%; n=24; sigma is known is known; population appears to be very skewedvery skewed.

Find the critical value.

A. t Subscript alpha divided by 2 Baseline equals 1.714t/2=1.714

B.z Subscript alpha divided by 2z/2equals=1.28

C.t Subscript alpha divided by 2t/2equals=1.319

D.z Subscript alpha divided by 2 Baseline equals 1.645z/2=1.645

E.Neither normal nor t distribution applies.Neither normal nor t distribution applies.

Explanation / Answer

Do one of the following, as appropriate. (a) Find the critical value z Subscript alpha divided by 2z/2, (b) find the critical value t Subscript alpha divided by 2t/2, (c) state that neither the normal nor the t distribution applies.

Confidence level 90%; n=24; sigma is known

population appears to be very skewed

Find the critical value.

A. t Subscript alpha divided by 2 Baseline equals 1.714t/2=1.714

B.z Subscript alpha divided by 2z/2equals=1.28

C.t Subscript alpha divided by 2t/2equals=1.319

D.z Subscript alpha divided by 2 Baseline equals 1.645z/2=1.645

E.Neither normal nor t distribution applies..

Since sample size is small ( <30) and population appears to be very skewed .Neither normal nor t distribution applies.

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