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Sat scores between the two groups

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Reference no: EM132465033

In a survey of 1000 high school students in Oregon, the average SAT score for 500 students who chose to go out of state for college (Group 1) was 1225 and the average SAT score for 500 students who chose to stay in state for college (Group 2) was 1130. The population standard deviation for students who choose to go out of state is 95 and the population standard deviation for students who choose to stay in state is 103. Find a 95% confidence interval and decide if the SAT scores between the two groups is significantly different. Confidence Interval (round to 4 decimal places):

Reference no: EM132465033

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