A study by the department of education of a certain state was trying to determine the
mean SAT scores of the graduating high school seniors. The study examined the
scores of a random sample of 165 graduating seniors and found the mean score to be
515 with a standard deviation of 90. Determine a 95% confidence interval for the
mean, rounding all values to the nearest tenth.
Answer : (501,529)
Answers: 2
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A study by the department of education of a certain state was trying to determine the
mean SAT scor...
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