Bahatamy Academy has an outrageously intelligent student body. In a recent evaluation of all the high schools in the state, Bahatamy Academy received a z-score of +3 for its corresponding sample mean of SAT scores. With a population mean of 500 and a standard deviation (standard error) of 200 for the sampling distribution, what was Bahatamy's sample mean?
a. 560 c. 1,100
b. 1,560 d. 900
Question 2
If the population variance of the raw scores equals 169 and the sample size is 121, what is the standard error of the mean?
a. 0.11 c. 1.40
b. 1.18 d. 15.36
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