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Mathematics, 27.01.2020 17:31 222364

The following information is obtained from two independent samples selected from two normally distributed populations.
n1 = 18 x1 = 7.82 σ1 = 2.35
n2 =15 x2 =5.99 σ2 =3.17
a. what is the point estimate of μ1 − μ2? round to two decimal places.
b. construct a 99% confidence interval for μ1 − μ2. find the margin of error for this estimate.
round to two decimal places.

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