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mac mac
wrote...
6 years ago
Which measure of central tendency is best for describing this distribution? 13, 13, 13, 20, 21, 24, 25, 25, 27, 28, 28, 29, 30, 32, 31, 60
 
  a. Mode c. Mean
  b. Median

Ques. 2

In a positively skewed distribution:
 
  a. the mean is greater than the median. c. either of the above may be true.
  b. the median is greater than the mean.

Ques. 3

Descriptive statistics are used to:
 
  a. tell us how accurately we can infer from the part to the whole.
  b. Enable us to organize, summarize and describe our observations.
  c. Both a and b.

Ques. 4

What is the purpose of a null hypothesis in a research study?
 
  What will be an ideal response?
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namprettynampretty
wrote...
Posts: 307
Rep: 5 0
6 years ago
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mac Author
wrote...
6 years ago
What an excellent community, thanks for answering
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