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Ig1ggle Ig1ggle
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6 years ago
Which of the following tests is appropriate for nominal data if the problem objective is to compare two populations and there are exactly 2 categories?
 a. The z-test for the difference of two proportions, p1 - p2.
  b. The chi-squared test of a contingency table.
  c. Both a and b.
  d. None of these choices.

Q. 2

Which of the following statements about graduated commission is true?
 A) As sales increase, the rate of commission decreases.
  B) As sales increase, the rate of commission stays the same.
  C) As sales increase, the rate of commission increases.
  D) The salesperson must reach a quota to be paid any commission.

Q. 3

In analyzing interval data, we attempt to explain as much of the ____________________ as possible.
 Fill in the blank(s) with correct word

Q. 4

Which of the following tests is appropriate for nominal data if the problem objective is to describe a population with more than two categories?
 a. z-test for one proportion, p, or difference of two proportions, p1 - p2.
  b. chi-squared goodness-of-fitness test.
  c. chi-squared test of a contingency table.
  d. All of these choices are true.
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justhereforadayjusthereforaday
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Posts: 223
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6 years ago
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Ig1ggle Author
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#2
6 years ago
My teacher is very rude and likes to speed his way through a lesson without letting the class ask questions. Thank you for helping me. You're a life saver Slight Smile
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