Independent random samples taken on two university campuses

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Reference no: EM13109269

Q. Independent random samples taken on two university campuses revealed the subsequent information concerning the average amount of money spent on textbooks during the fall semester. Develop a 95% confidence interval for the difference in spending on textbooks among students at University A and University B.
University A University B
Sample Size 50 40
Average Purchase $280 $250
Standard Deviation $20 $23

Reference no: EM13109269

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