Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA
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Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA
decimals.
Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA 201A and those who enrolled last year. Independent random samples were taken from each population and a test was given. Test scores were recorded, as shown in the following table. Use the data to develop a 95% confidence interval for the difference between the two population means, Mi M2. In the following box, specify the Margin of Error, keep 2 decimals. last year (population Today (population 1) 2) Sample size 44 36 88 Sample mean 82 Population variance 112.5 54