Consider the following data obtained for two samples selected at random from two populations that are independent and normally distributed with equal variances. Sample I Sample II 32             27 26             35 31             33 20             40 27             38 34             31 Test at the 1% significance level whether the means of the populations from which these samples are drawn are equal.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Consider the following data obtained for two samples selected at random from two
populations that are independent and normally distributed with equal variances.
Sample I Sample II
32             27
26             35
31             33
20             40
27             38
34             31
Test at the 1% significance level whether the means of the populations from which
these samples are drawn are equal.

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