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calig45 calig45
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6 years ago
The mean of fifty sales receipts is 65.75 and the standard deviation is 10.55 . Using Chebysheff's Theorem, 75 of the sales receipts were between 44.65 and 86.85.
  Indicate whether the statement is true or false

Q. 2

Which of the following is(are) the most common type(s) of surveys?
 a. only mail surveys
  b. only telephone surveys
  c. only personal interviews
  d. All of the answers are correct.

Q. 3

While Chebysheff's Theorem applies to any distribution, regardless of shape, the Empirical Rule applies only to distributions that are bell shaped.
  Indicate whether the statement is true or false

Q. 4

A method of selecting a sample by randomly selecting the first element and then selecting every kth element thereafter is _____ sampling.
 a. area
  b. stratified
  c. systematic
  d. stratified simple random

Q. 5

 is a population parameter and s is a sample statistic.
  Indicate whether the statement is true or false
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collin235collin235
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6 years ago
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calig45 Author
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#2
6 years ago
Above and beyond my expectations for this site
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