Mathematics, 03.12.2019 19:31 shadowselena63
In developing an interval estimate for a population mean, the population standard deviation was assumed to be 10. the interval estimate was 50.92 ± 3.5. if population standard deviation is 30, the interval estimate would be: a. 60.92 ± 2.14 b. 50.92 ±12.14 c. 101.84 ± 4.28 d. 50.92 ± 4.28
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