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.
D
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To maintain a constant body weight, calories in must equal calories out.
a. true b. false
Kyle buys a new refrigerator, but when he gets home, he cannot fit it through the front door of his house. Which of the following would describe the initial state for Kyle's problem?
A) The refrigerator is outside of the house. B) The refrigerator is inside the house. C) Kyle can make the refrigerator narrower by taking the doors off of it. D) The refrigerator does not fit through the front door.