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Author Question: A university surveyed 36 randomly selected graduate students in a pilot study and found that 27 said ... (Read 130 times)

formula1

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on: Jun 20, 2018
A university surveyed 36 randomly selected graduate students in a pilot study and found that 27 said they favored the new university health insurance plan and 9 said they opposed it. How many students must the university survey in order to make an estimate of how all graduate students feel about the plan with a margin of error to be no more than 5 percentage points? Use the 95 percent confidence level.
 
  a. 187 c. 366
  b. 288 d. 950

Question 2

Explain why the use of grade retention is an example of how unsystematic observations may lead to false conclusions.
 
  What will be an ideal response?


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brbarasa

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

Beliefs about grade retention are often based on generalizations from a few personal experiences and are unsubstantiated in the literature.


formula1

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

chereeb

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

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