Complete parts (a) through (c) below.

(a) Determine the critical value(s) for a right-tailed test of a population mean at the

alphaequals0.05

level of significance with

10

degrees of freedom.

(b) Determine the critical value(s) for a left-tailed test of a population mean at the

alphaequals0.05

level of significance based on a sample size of

nequals15.

(c) Determine the critical value(s) for a two-tailed test of a population mean at the

alphaequals0.10

level of significance based on a sample size of

nequals12.

LOADING...

Click here to view the t-Distribution Area in Right Tail.

Question content area bottom

Part 1

(a)

t Subscript critequals

minus

plus or minus

plus

enter your response here

(Round to three decimal places as needed.)