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busn230-00d statistics fall 2019 instructor sandra boyer
blanca salazar
1 12/1/19 10: 46 pm
homework: m13: ch. 10 homework
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4 of 4 (3 complete)
score: 0 of 3 pts
x 10.1.4-t
hw score: 60%, 6 of 10 pts
pe question
assume that you have a sample of n with the sample mean x, 41, and a sample standard deviation of s, -4, and you have an independent sample of my from another population with a sample mean of
x2 - 36, and the sample standard deviation s2 8. construct a 99% confidence interval estimate of the population mean difference between and 12. assume that the two population variances are equal
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(round to two decimal places as needed.)
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