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Author Question: Which of the following statements about the margin of error is false? a. Statisticians routinely ... (Read 15 times)

sarasara

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on: Jul 24, 2018
Which of the following statements about the margin of error is false?
 a. Statisticians routinely construct interval estimates by making their point estimate the interval center and creating a range of other possible values, known as the margin of error, below and above the center.
  b. The margin of error is a half-width of an interval estimate, equal to the difference between the point estimate on the one hand and either the lower or upper limit of the interval on the other hand.
  c. The unknown parameter is presumed to lie at the center of the interval that point estimate and margin of error create.
  d. The margin of error only takes sampling error into account, ignoring all other potential sources of error, such as bias in questions, selection bias, or miscalculations.
  e. None of these.

Question 2

One-way ANOVA is used when:
 a. analyzing the difference between more than two population means
  b. analyzing the difference between two population variances
  c. analyzing the difference between two sample means
  d. analyzing the difference between two population proportions
  e. none of these


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cadimas

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

C

Answer to Question 2

A


sarasara

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Reply #2 on: Jul 24, 2018
Thank you!


cadimas

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Reply #3 on: Jul 24, 2018
Always glad to help...


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