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Author Question: What is a designed experiment? What will be an ideal response? ... (Read 18 times)

deesands

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on: Jul 25, 2018
What is a designed experiment?
 
  What will be an ideal response?

Question 2

A researcher wants to obtain a confidence interval for the difference between the proportions of women and men who approve of the mayor's performance. Obtain a common sample size that will ensure a margin of error of at most 0.
 
  05 for a 95 confidence interval, if you can reasonably presume that at most 47 of men and between 55 and 60 of women approve of the mayor's performance.
  A) 769 B) 764 C) 753 D) 752


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mathjasmine

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

A designed experiment is a controlled study in which treatments are applied to experimental units, and the effect of varying these treatments on a response variable is observed.

Answer to Question 2

B


deesands

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Reply 2 on: Jul 25, 2018
Wow, this really help

laurnthompson

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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