Author Question: A clinic gives a drug to a group of ten patients and a placebo to another group of ten patients to ... (Read 114 times)

a0266361136

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A clinic gives a drug to a group of ten patients and a placebo to another group of ten patients to find out if the drug has an effect on the patients' illness.
 
  A) Observational B) Experimental

Question 2

Which of the following scales of measurement ordinarily does not lend itself to a measure of variability?
 
  a. Nominal
  b. Ordinal
  c. Interval
  d. Ratio



jessofishing

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Answer to Question 1

B

Answer to Question 2

A



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