Which of the following explains why point estimation can be a useful procedure to estimate a population mean?
A. It defines the range of scores within which the population mean is likely to be contained.
B. The sample mean is equal to the population mean on average.
C. The sample mean is an unbiased estimator of the population mean.
D. The sample mean is equal to the population mean on average and the sample mean is an unbiased estimator of the population mean.
Ans: D
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__________ lead to strong connections between the children and teachers
Fill in the blank with correct word.
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