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Author Question: According to the empirical rule, how many observations lie within +/- 3 standard deviation from the ... (Read 76 times)

hbsimmons88

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on: Jun 24, 2018
According to the empirical rule, how many observations lie within +/- 3 standard deviation from the mean?
 a. 50
 
  b. 68
 
  c. 95
 
  d. almost all

Question 2

A fan shape in a scatterplot indicates:
 a. unequal variance
  b. a nonlinear relationship
  c. the absence of outliers
  d. sampling error


bookworm410

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

d

Answer to Question 2

a


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