Simple random sampling:
A. guarantees that your sample will be representative of the population.
B. is more difficult to carryout than more sophisticated sampling techniques.
C. does not guarantee that your sample will be representative of the population.
D. works better than more sophisticated sampling techniques to help ensure a representative sample.
Answer: C
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Amu lives in an isolated area and very close-knit community. The community hunts and farms together and must do so to survive. If Amu suddenly becomes aggressive toward other community members, how is he likely to be treated?
a. He'll be rewarded with a larger share of food. b. He will be elected to a leadership position in the community. c. He will be shunned and perhaps even cast out of the community. d. His behavior will be ignored and won't attract any attention.
When infants watch a toy car go down a ramp and through a spot where something should have blocked it, what happens? a. They stare longer at the scene
b. They look away from the scene. c. They smile or giggle. d. They give no indication that the event is impossible.