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Author Question: One of the common elements of the eight case studies in Chapter 1 is a. in each case, a randomized ... (Read 134 times)

Chloeellawright

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on: Jul 24, 2018
One of the common elements of the eight case studies in Chapter 1 is
 a. in each case, a randomized experiment is described.
  b. in each case, an observational study is described.
  c. in each case, confounding variables are a problem.
  d. in each case, data are used to make a judgment about the situation.

Question 2

An organization would like to conduct a survey of a sample of their membership to make conclusions about the entire membership. Given that they have a limited budget, they should focus their attention on
 a. getting as large a sample as possible, even if they are all volunteers.
  b. getting as large a sample as possible, even if they are not representative.
  c. getting a representative sample.
  d. getting a self-selected sample.


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lou

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

D

Answer to Question 2

C


Chloeellawright

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


lou

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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