In DrDalbey's Study,women Missed an Average of Three Work Days a a Year

Multiple Choice

In Dr.Dalbey's study,women missed an average of three work days a year because of colds,and men missed an average of five work days because of colds.To see if the difference between these means is statistically significant,Dr.Dalbey should ____.

A) calculate a set of medians
B) calculate a correlation coefficient
C) conduct a t test
D) utilize factor analytic techniques