Queiao2558 Queiao2558

09-03-2020
Mathematics

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From a population that is normally distributed, a sample of 25 elements is selected and the standard deviation of the sample is computed. For the interval estimation of mu \muμ, the proper distribution to use is the

A.Z distribution with sample size of 25
B.t distribution with 25 degrees of freedom
C.t distribution with 26 degrees of freedom
D.t distribution with 24 degrees of freedom

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therealabefe therealabefe

13-03-2020

Answer: option D

Step-by-step explanation: We will be using the t distribution because the sample size is lesser than 30 (25) and we are making use of the sample standard deviation (s)

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