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Author Question: Given a distribution of measurements that is approximately mound-shaped, the Empirical Rule states ... (Read 38 times)

mcmcdaniel

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on: Jul 24, 2018
Given a distribution of measurements that is approximately mound-shaped, the Empirical Rule states that the approximate percentage of measurements in a data set that fall within two standard deviations of their mean is approximately:
 a. 99
  b. 95
  c. 90
  d. 68
  e. 75

Question 2

Which of the following statements is false?
 a. Comparing the final test scores of male and female students in your statistics class is an example of two dependent samples.
  b. Pretest versus posttest (before versus after) studies usually use dependent samples.
  c. Studies involving identical twins result in dependent samples of data.
  d. None of the above


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jasonq

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

B

Answer to Question 2

A


mcmcdaniel

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

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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