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Author Question: It is important that the sample be representative of the population. Indicate whether the ... (Read 95 times)

tsand2

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on: Jul 25, 2018
It is important that the sample be representative of the population.
 
  Indicate whether the statement is true or false

Question 2

Moods A headline in the New York Times announced Research shows running can alter one's moods.
 
  The article reported that researchers gave a Personality Assessment Test to 231 males who run at least 20 miles a week, and found statistically significant personality differences between the runners and the male population as a whole. Do you think the headline was appropriate? Explain.


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tennis14576

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Reply #1 on: Jul 25, 2018
Answer to Question 1

TRUE

Answer to Question 2

No, this was not a controlled experiment, so no determination of cause and effect can be made. Perhaps people in better moods are more likely to be runners, or perhaps something in their body chemistry makes some people enjoy running and also affects their personality.


tsand2

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Reply #2 on: Jul 25, 2018
Thanks


tennis14576

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Reply #3 on: Jul 25, 2018
Welcome :)


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