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Author Question: As a manufacturer of guitars, a major corporation wants to estimate the proportion of guitar players ... (Read 138 times)

NguyenJ

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on: Jun 24, 2018
As a manufacturer of guitars, a major corporation wants to estimate the proportion of guitar players who are right-handed. How many golfers must be surveyed if they want to be within 0.02, with a 95 confidence?
 a. Assume that there is no prior information that could be used as an estimate of p.
  b. Assume that the manufacturer has an estimate of p found from a previous study, which suggests that 75 of guitar players are right-handed.

Question 2

If both variables are ordinal, the value of the Spearman rank correlation coefficient is equal to the value of Pearson's correlation coefficient.
  Indicate whether the statement is true or false


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Chou

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

a. n = 2401
b. n = 1801

Answer to Question 2

F


NguyenJ

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Reply 2 on: Jun 24, 2018
Wow, this really help

Bigfoot1984

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

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