Give the first step. Choose the correct answer below. A. Identify the level of s

Question

Give the first step. Choose the correct answer below.

A.

Identify the level of significance

StartFraction 1 minus alpha Over 2 EndFraction12

and the degrees of freedom,

d.f.equals=n.

B.

Identify the level of significance

alpha

and the degrees of freedom,

d.f.equals=nminus1.

C.

Identify the level of significance

1minusalpha

and the degrees of freedom,

d.f.equals=n.

D.

Identify the level of significance

StartFraction alpha Over 2 EndFraction2

and the degrees of freedom,

d.f.equals=nminus1.

Find the critical value(s) using the t-distribution table in the row with the correct degrees of freedom.

If the hypothesis test is left-tailed, use the

column with a

negative

positive

negative and a positive

sign. If the hypothesis test is right-tailed, use the

"Two tails comma alpha ""Two tails, "

"Two tails comma StartFraction alpha Over 2 EndFraction ""Two tails, 2"

"One tail comma alpha ""One tail, "

"One tail comma StartFraction alpha Over 2 EndFraction ""One tail, 2"

column with a

negative

positive

negative and a positive

sign. If the hypothesis test is two-tailed, use the

"Two tails comma alpha ""Two tails, "

"Two tails comma StartFraction alpha Over 2 EndFraction ""Two tails, 2"

"One tail comma alpha ""One tail, "

column with a

negative

positive

negative and a positive

sign.

Explanation / Answer

For Part 1, the Correct option id OPTION B which is

Identify the level of significance alpha and the degrees of freedom, d.f.equals=n1.

If the hypothesis is right tailed use a + sign(one tail alpha), and if it is left tailed use a -sign(one tail alpha). If it is 2 tailed use the + and minus sign for alpha/2 (2 tails)

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