WHICH DEGREE OFFERS THE BEST POTENTIAL STARTING SALARY?A SURVEY OF 50 ENTRY LEVEL PSYCHOLOGY MAJORS WAS COMPARED TO A SURVEY OF 60 (NOT 50) ENTRY LEVEL ENVIRONMENTAL MGMT MAJORS.

LANE AND ILLOWSKY OFFER DIFFERENT FORMULAS FOR THIS PROBLEM (BUT THEY GIVE THE SAME RESULT) CHECK LANE PAGE 408 AND ILLOWSKY AROUND PAGE 530 SECTION 10.1USE EITHER APPROACH.

PSYCHOLOGY MAJORS: SAMPLE MEAN = $46,100AND THE SAMPLE STD DEVIATION:$3450

ENMT MAJORS:SAMPLE MEAN = $46,700AND THE SAMPLE STD DEVIATION:$4210

WE DO NOT HAVE THE POPULATION STANDARD DEVIATIONS SO IS THIS At OR Z TEST ?(answer)

Ho:MEAN P-MAJ $?MEAN ENMT MAJ $Ha:MEAN P $ ?MEAN ENMT $ (replace "?" appropriately)

ASSUME A 5% (0.05)LEVEL OF SIGNIFICANCE (=0.05)ONE -TAILED TEST

http://onlinestatbook.com/Online_Statistics_Education.pdf