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Author Question: The owner of a factory regularly requests a graphical summary of all employees' salaries. The ... (Read 152 times)

kfurse

  • Hero Member
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  • Posts: 590
on: Jun 24, 2018
The owner of a factory regularly requests a graphical summary of all employees' salaries. The graphical summary of salaries is an example of _____.
 a. a sample
  b. descriptive statistics
  c. statistical inference
  d. an experiment

Question 2

A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 320 and 120 respectively. The standard error of the mean is
 a. 1.875
   b. 40
   c. 5
   d. 15


harveenkau8139

  • Sr. Member
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  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

d


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