Grades on a standardized test are known to have a mean of 990 for students in the United States. The test is administered to 473 randomly selected students in Florida; in this sample, the mean is 1002.87 and the standard deviation(s)is 106.92. the 95% confidence interval for the average test score for Florida students is ( (Round your responses to two decimal places.)
Grades on a standardized test are known to have a mean of 990 for students in the United States. The test is administered to 473 randomly selected students in Florida; in this sample, the mean is 1002.87 and the standard deviation(s)is 106.92. the 95% confidence interval for the average test score for Florida students is ( (Round your responses to two decimal places.)
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Grades on a standardized test are known to have a mean of 990 for students in the United States. The test is administered to 473 randomly selected students in Florida; in this sample, the mean is 1002.87 and the standard deviation(s)is 106.92.
the 95% confidence interval for the average test score for Florida students is ( (Round your responses to two decimal places.)
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