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Author Question: A highly selective boarding school will only admit students who place at least 1.5 z-scores above ... (Read 78 times)

crobinson2013

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on: Jul 24, 2018
A highly selective boarding school will only admit students who place at least 1.5 z-scores above the mean on a standardized test that has a mean of 110 and a standard deviation of 12.
 
  What is the minimum score that an applicant must make on the test to be accepted? A) 128 B) 92 C) 122 D) 98

Question 2

Based on 9000 responses from 36,500 questionnaires sent to all its members, a major medical association estimated that the annual salary of its members was 112,500 per year. What sampling technique was used?
 
  A) simple random
  B) stratified
  C) cluster
  D) convenience
  E) systematic


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bblaney

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

A

Answer to Question 2

A


crobinson2013

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Reply 2 on: Jul 24, 2018
Gracias!

peter

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Reply 3 on: Yesterday
Excellent

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