9.83 Hours at work 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, and (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 =40 vs + 40 Variable N Mean StDev SE Mean 95% CI T (39.381, P Hours 1166 40.274 15.540 0.455 41.166) 0.60 0.548