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Author Question: Is the number of textbooks you bought this semester discrete or continuous random variable? ... (Read 76 times)

bio_gurl

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on: Jul 24, 2018
Is the number of textbooks you bought this semester discrete or continuous random variable? Explain.

Question 2

Which of the following is not the goal of descriptive statistics?
 a. summarizing data
  b. displaying aspects of the collected data
  c. reporting numerical findings
  d. estimating characteristics of the population based on a sample
  e. none of these


izzat

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Reply #1 on: Jul 24, 2018
Answer to Question 1

The number of textbooks you bought this semester is a discrete random variable, since it can only assume a countable number of numerical values. A value of 2.75, for example, would not make sense.

Answer to Question 2

D


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