(Answered) Question the following data are the sat scores for 12

Statistics

Question: The following data are the SAT scores for 12 randomly selected high school seniors.

1224 1223 987 692 947 723

837 721 747 540 623 1445

a) What is the standard error of the mean for these data?

b) What is the 90% confidence interval for the population mean (µ)?

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