A new version of the SAT test is given to 1000 randomly selected high school seniors. The sample mean test score is 1110 and the sample standard deviation is 123. construct a 95% confidence interval for the population mean test score for high school
A new version of the SAT test is given to 1000 randomly selected high school seniors. The sample mean test score is 1110 and the sample standard deviation is 123. construct a 95% confidence interval for the population mean test score for high school
A new version of the SAT test is given to 1000 randomly selected high school seniors. The sample mean test score is 1110 and the sample standard deviation is 123. construct a 95% confidence interval for the population mean test score for high school