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True or False If a sample of at least 30 scores is randomly selected from a normal population, the... True or False A sample mean with a z-score value between 1.00 and +1.00 would be considered a fair... True or false: A sample must include at least 50% of the population to draw a valid conclusion. True or False For a sample with M = 20 and s = 1, a score of X = 17 would be considered an extremel... True or False. The sample mean is an estimator of the population mean. True or False: A random sample is a subset that has the characteristics of the larger population. True or False As sample size increases, the value of the standard error also increases. True or False. The sample standard deviation is an estimator of the population standard deviation. True or False. The sample proportion is not an estimator of the population mean True or False: A sample size of 36 provides a sample mean of 10. If the population variance is known...