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Example 7.5 Jed Home Stores Credit Card Purchases Study Jed Home Stores analysed the value of purchases made on credit c

Posted: Mon Nov 15, 2021 11:03 am
by answerhappygod
Example 7 5 Jed Home Stores Credit Card Purchases Study Jed Home Stores Analysed The Value Of Purchases Made On Credit C 1
Example 7 5 Jed Home Stores Credit Card Purchases Study Jed Home Stores Analysed The Value Of Purchases Made On Credit C 1 (21.92 KiB) Viewed 73 times
Example 7 5 Jed Home Stores Credit Card Purchases Study Jed Home Stores Analysed The Value Of Purchases Made On Credit C 2
Example 7 5 Jed Home Stores Credit Card Purchases Study Jed Home Stores Analysed The Value Of Purchases Made On Credit C 2 (25.75 KiB) Viewed 73 times
Example 7.5 Jed Home Stores Credit Card Purchases Study Jed Home Stores analysed the value of purchases made on credit card by a random sample of 25 of their credit card customers. The sample mean was found to be R170. with a sample standard deviation of R22. (a) Estimate, with 95% confidence, the actual mean value of credit card purchases by all their credit card customers. (b) Assume that 46 credit card purchases were sampled. Set 95% confidence limits for the actual mean value of credit card purchases at this home store (o is unknown).

Example 7.5 Jed Home Stores Credit Card Purchases Study Jed Home Stores analysed the value of purchases made on credit card by a random sample of 25 of their credit card customers. The sample mean was found to be R170, with a sample standard deviation of R22. (a) Estimate , with 95% confidence, the actual mean value of credit card purchases by all their credit card customers. (b) Assume that 46 credit card purchases were sampled. Set 95% confidence limits for the actual mean value of credit card purchases at this home store (o is unknown). Solution