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Question
Which of the following statements are true?
A.) A point estimate of a population parameter is a single number that can be regarded as a sensible value of the parameter.\
B.) The sample variance is a point estimator of the population variance.
C.) All of the above statements are true.
D.) The sample mean is a point estimator of the population mean.
E.) A point estimate of a population parameter is obtained by selecting a suitable statistic and computing its value from the given sample data. The selected statistic is called the point estimator of the parameter.