A samplemean, samplesize, and sample standard deviation are provided below. Use theone-mean t-test to perform the required hypothesis test at the1%significance level.

x=26,s=4,n=24,H0:=25,Ha:25

The test statistic ist=_____.

(Round to two decimal places asneeded.)

Identify the criticalvalue(s). Select the correct choice below and fill in the answer box within your choice.

(Round to three decimal places asneeded.)

A.The criticalvaluesaret/2=_____

B.The criticalvalueist=____

C.The criticalvalueist=_______

(Reject/Do not reject) the null hypothesis. The data (provide/do not provide)sufficient evidence to conclude that the mean is (less than 25/not equal to 25/equal to 25/greater than 25).