A psychologist conducts a survey of job satisfaction among ...

[lracut11]

A psychologist conducts a survey of job satisfaction among laborers and white-collar workers using a rating scale on which 1 indicates low satisfaction and 10 indicates high satisfaction.
 
  The findings are that laborers have a mean job satisfaction score of 4 and a variance of 1; white-collar workers have a mean job satisfaction score of 7 and a variance of 10. Which statement most completely describes the meaning of these numbers?
  A) White-collar workers are more satisfied than laborers.
  B) White-collar workers and laborers are about equally satisfied.
  C) Laborers generally are less satisfied than white-collar workers, but laborers are just as likely to be highly satisfied as white-collar workers are to be highly dissatisfied.
  D) Laborers are less satisfied than white-collar workers, and most laborers are about equally dissatisfied, while there is more variation in the satisfaction of white-collar workers.

Question 2

If someone told you that a distribution showed a floor effect, you would surmise that it is
 
  A) symmetrical.
  B) positively skewed.
  C) negatively skewed.
  D) rectangular.

[ricroger]

Answer to Question 1

D

Answer to Question 2

B

[lracut11]

Gracias!

[abro1885]

Excellent