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Author Question: A researcher is attempting to determine the average annual expenditures per household on compact ... (Read 91 times)

burton19126

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on: Jun 29, 2018
A researcher is attempting to determine the average annual expenditures per household on compact discs. Suppose 600 was considered the upper limit and 0 the lower limit. There are no past studies on which to base an estimate of . What is your best estimate of the standard deviation?
 a. 120
  b. 200
  c. 100
  d. 300
  e. No way to determine.

Question 2

If the estimated range of incomes for 30 medium size businesses is 60,000, a rough estimate of one standard deviation would be
 a. 10,000.
  b. 12,000.
  c. 8,000.
  d. 8,500.
  e. 9,000.


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lcapri7

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Reply #1 on: Jun 29, 2018
Answer to Question 1

C

Answer to Question 2

a


burton19126

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Reply #2 on: Jun 29, 2018
Correct answers!


lcapri7

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Reply #3 on: Jun 29, 2018
Great! Please up vote :D


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