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Mathematics, 19.07.2021 17:20, Nataliepavon7
The following results come from two independent random samples taken of two populations.
Sample 1 : n1 = 60; x1 = 13.6 ; Ï1 = 2.4.
Sample 2 : n2 = 35 ; x2 = 11.6; Ï2 = 3.
(a) What is the point estimate of the difference between the two populations means? (Use x1 ? x2.)
(b) Provide a 90% confidence interval for the difference between the two population means. (Use x1 ? x2. Round your answers to two decimal places.)
(c) Provide a 95% confidence interval for the difference between the two population means. (Use x1 ? x2. Round your answers to two decimal places.)
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Answers: 3
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The following results come from two independent random samples taken of two populations.
Sample 1 :...
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