Calculate the standard error of the sample statistic: A randomly selected sample of 100 students had an average grade point average (GPA) of 3.2 with a standard deviation of 0.2 The standard error of the sample mean isA) 0.020 B) 0.200 C) 1.600 D) 2.000 Which of the following statements is most correct about a confidence interval for a mean?A) It provides a range of values, any of which is a good guess at the possible value of the sample mean. B) It provides a range of values, any of which is a good guess at the possible value of the population mean. C) It provides a good guess for the range of values the sample mean is likely to have in repeated samples. D) It provides a good guess for the range of values the population mean is likely to have in repeated samples.
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