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2. (18 points) Random samples of na = 10 and n2 = 9 observations were selected from populations 1 and 2, respectively. T
Posted: Mon Nov 15, 2021 12:21 pm
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- 2 18 Points Random Samples Of Na 10 And N2 9 Observations Were Selected From Populations 1 And 2 Respectively T 1 (17.28 KiB) Viewed 70 times
2. (18 points) Random samples of na = 10 and n2 = 9 observations were selected from populations 1 and 2, respectively. The corresponding sample standard deviations were $1 = 3.5 and 52 = 2.4. Assume that both populations are normal. Do the data provide sufficient evidence to indicate a difference between o and o? Test by using a = 0.05. (show necessary details)