When all subjects in the 2012 GSS who were working full- or part-time were asked how many hours they worked in the previous week at all jobs (variable HRS1), software produced the following analyses:

For this printout,
a. State the hypotheses.
b. Explain how to interpret the values of 

(i) SE Mean, 

(ii) T, 

(iii) P.
c. Show the correspondence between a decision in the test using a significance level of 0.05 and whether 40 falls in the confidence interval reported.

Transcribed Image Text:

Test of u = 40 vs + 40 Mean StDev SE Mean 95% CI Variable (39.381, 41.166) 0.60 0.548 1166 40.274 15.540 0.455 Hours