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Author Question: A sample consists of every 20th worker from a group of 4000 workers. What sampling technique was ... (Read 65 times)

fbq8i

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on: Jul 25, 2018
A sample consists of every 20th worker from a group of 4000 workers. What sampling technique was used?
 
  A) convenience
  B) systematic
  C) stratified
  D) simple random
  E) cluster

Question 2

At one college, GPAs are normally distributed with a mean of 2.9 and a standard deviation of 0.6. What percentage of students at the college have a GPA between 2.3 and 3.5?
 
  A) 68.26 B) 99.74 C) 95.44 D) 84.13


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stanleka1

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

B

Answer to Question 2

A


fbq8i

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Reply 2 on: Jul 25, 2018
Excellent

amynguyen1221

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Reply 3 on: Yesterday
Wow, this really help

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