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Author Question: Survey your friends about the number of siblings they have and the length of the last phone call ... (Read 64 times)

Mollykgkg

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on: Jul 24, 2018
Survey your friends about the number of siblings they have and the length of the last phone call they had with their boyfriend / girlfriend. The two variables in question 30 are either discrete or continuous. Which are they and why?

Question 2

Characteristics possessed by experimental units are called:
 a. data sets
  b. descriptive statistics
  c. internal data
  d. variables


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nickk12214

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

Number of siblings that a friend has is a discrete random variable, since it can only assume a countable number of numerical values. A value of 1.68, for example, would not make sense.

Length of last phone call to boyfriend / girlfriend is a continuous random variable, since it can assume an uncountable number of numerical values. In other words, length is a measurement and can assume any value along a line interval including all possible fractions.

Answer to Question 2

D


Mollykgkg

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Reply 2 on: Jul 24, 2018
Excellent

strudel15

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Reply 3 on: Yesterday
Gracias!

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