Question: 140

a. Use the one-mean t-test to perform the required hypothesis test about the mean, , of the population from which the same was drawn.

b. Find (or estimate) the P-value and refer to table 9.12 to determine the strength of the evidence against the null hypothesis.

Table 9.12

P-Value	Evidence against
P>0.10 0.05 < P 0.10 0.01 < P 0.05 P0.01	Weak or none Moderate Strong Very Strong