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Author Question: Thirty-five math majors, 29 music majors and 26 history majors are randomly selected from 585 math ... (Read 80 times)

maychende

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on: Jul 24, 2018
Thirty-five math majors, 29 music majors and 26 history majors are randomly selected from 585 math majors, 279 music majors and 393 history majors at the state university. What sampling technique is used?
 
  A) stratified
  B) simple random
  C) cluster
  D) convenience
  E) systematic

Question 2

In a recent survey, 80 of the community favored building a health center in their neighborhood. If 15 citizens are chosen, what is the standard deviation of the number favoring the health center?
 
  A) 1.55 B) 2.40 C) 0.98 D) 0.55


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adf223

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

A

Answer to Question 2

A


maychende

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Reply 2 on: Jul 24, 2018
Gracias!

carojassy25

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Reply 3 on: Yesterday
Wow, this really help

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