- Professor Chen Would Like To Investigate The Difference In The Abilities Of Students Who Are Currently Enrolled In Bana 1 (272.15 KiB) Viewed 91 times
Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA
-
- Site Admin
- Posts: 899559
- Joined: Mon Aug 02, 2021 8:13 am
Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA
Professor Chen would like to investigate the difference in the abilities of students who are currently enrolled in BANA 2012 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, ui – u2. In the following box, specify the Margin of Error, keep 2 decimals. Today (population 1) last year (population 2) Sample size 44 36 82 88 Sample mean Population variance 112.5 54