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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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rahulcena rahulcena
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6 years ago
The Spearman rank-correlation coefficient is _____.
 a. a correlation measure based on the average of data items
  b. a correlation measure based on rank-ordered data for two variables
  c. a correlation measure based on the median of data items
  d. None of the answers is correct.

Q. 2

For a minimization problem, the optimistic approach is often referred to as the
 a. minimax approach
  b. maximin approach
  c. maximax approach
  d. minimum approach

Q. 3

Which of the following represents a graphical presentation of interval data?
 a. A bar chart. c. A pie chart.
  b. A histogram. d. All of these choices are true.

Q. 4

Statistical methods that require assumptions about the population are known as _____.
 a. distribution-free methods
  b. nonparametric methods
  c. either distribution-free or nonparametric methods
  d. parametric methods
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kingchankingchan
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6 years ago
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rahulcena Author
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6 years ago
You make an excellent tutor!
Tim0301
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Yesterday
Helped a lot
Liarec
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2 hours ago
Thanks
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