After every score in a sample is multiplied by 3, the mean is calculated and found to be M = 21. What was the mean for the original scores?
A) ?7
B) ?3
C) ?21
D) ?63
A
Psychology
You might also like to view...
Tony has been in a nursing home for one year. He has become apathetic, indifferent, and does not care about himself. Which term describes Tony's mental state?
A. learned helplessness B. self-pity C. institutionalism D. neurodementia
Psychology
Name some positive youth developmental programs in the United States
What will be an ideal response?
Psychology
Reminder sessions can prolong young infants' memory of earlier events
Indicate whether this statement is true or false.
Psychology
A time when teens who engage in trade, crafts, farming, and apprenticeships is known as?
A. Farm-cycle service B. Human-development service C. Life-style service D. Life-cycle service
Psychology