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Author Question: Tchebysheff's Theorem states that the percentage of measurements in a data set that fall within ... (Read 58 times)

lindiwe

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on: Jul 24, 2018
Tchebysheff's Theorem states that the percentage of measurements in a data set that fall within three standard deviations of their mean is:
 a. 75
  b. 68
  c. 16
  d. at least 89
  e. at most 80

Question 2

Which of the following statements is false?
 a. When comparing two populations, we need two samples, one from each population.
  b. If the same set of sources or related sets are used to obtain the data representing two populations, we have dependent samples.
  c. If two unrelated sets of sources are used to obtain the data representing two populations, one set from each population, we have independent samples.
  d. None of the above


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T4T

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

D

Answer to Question 2

D


lindiwe

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Reply 2 on: Jul 24, 2018
Wow, this really help

apple

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Reply 3 on: Yesterday
Excellent

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