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
ANSWER:
c
You might also like to view...
During your first presentation in speech class, you experienced an embarrassing moment as you lost your place. It is now three weeks later, and you are about to make your second speech. As you wait your turn, you try to consciously push the disastrous first speech out of your mind. This illustrates
a. repression. b. suppression. c. disuse. d. interference.
Using a z-score transformation ______ the scores according to the population they come from to allow us to compare the scores by giving us the location of the scores in their distribution.
A. normalizes B. standardizes C. randomizes D. redistributes
Funeral and memorial practices in the United States have been criticized for being
a. useless and repugnant b. lavish and expensive c. a form of fantasized flight from reality d. all of these e. none of these
People with a trait we call ______ tolerate stress exceptionally well or seem to thrive on it
a. pressure c. external strength b. hardiness d. mental health problems