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Author Question: Which of the following could describe an outlier in a scatterplot? a. An error in the recording of ... (Read 95 times)

809779

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on: Jul 24, 2018
Which of the following could describe an outlier in a scatterplot?
 a. An error in the recording of the data.
  b. A gap in the explanatory variable where no data is available, followed by a point where data is available.
  c. A point in the data set whose removal changes the correlation a great deal.
  d. All of the above

Question 2

What impact can an outlier have on a correlation?
 a. An outlier that is consistent with the trend of the rest of the data will inflate the correlation.
  b. An outlier that is not consistent with the rest of the data can deflate the correlation.
  c. An outlier in a smaller sample has an especially large impact on a correlation, compared to an outlier in a larger sample.
  d. All of the above.


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kkenney

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

D

Answer to Question 2

D


809779

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Reply 2 on: Jul 24, 2018
:D TYSM

bblaney

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Reply 3 on: Yesterday
Excellent

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