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Author Question: A sampling distribution is a probability distribution that shows the likelihood of occurrence ... (Read 214 times)

BRWH

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on: Jul 24, 2018
A sampling distribution is a probability distribution that shows the likelihood of occurrence associated with all the possible values of a parameter, which values would be obtained when drawing all possible samples of a given size from a population.
  Indicate whether the statement is true or false

Question 2

In constructing a confidence interval estimate for the difference between the means of two normally distributed populations, using two independent samples, we:
 a. pool the sample variances when the unknown population variances are equal
  b. pool the sample variances when the population variances are known and equal
  c. pool the sample variances when the population means are equal
  d. pool the sample variances when the unknown population variances are unequal
  e. never pool the sample variances


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yasmina

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Reply #1 on: Jul 24, 2018
Answer to Question 1

F

Answer to Question 2

A


BRWH

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Reply 2 on: Jul 24, 2018
Gracias!

scikid

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Reply 3 on: Yesterday
Wow, this really help

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