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Mark the following statement as True or False.

"The value of correlation, r, is affected by outliers."

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Nelly Stracke
Nelly StrackeLv2
6 Apr 2020
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

Identify the true statements about the correlation coefficient, r.

a.) The correlation coefficient is not affected by outliers.

b.)The value of r ranges from negative one to positive one.

c.) When the data points in a scatter plot fall closely around a straight line that is either increasing or decreasing, the correlation between the two variables is strong.

d.) A correlation coefficient of zero means that no relationship exists between the two variables.

e.) If two variables are positively correlated, when one variable increases, the other variable decreases.

f.) The sign of r describes the direction of the association between two variables.

The following graph is a normal probability plot for the amount of rainfall (in acre-feet) obtained from 26 randomly selected clouds that were seeded with silver oxide. Which of the following statements about the shape of the rainfall distribution is true?

(a) The distribution is Normal.

(b) The distribution is approximately Normal.

(c) The distribution is roughly symmetric.

(d) The distribution has no potential outliers.

(e) The distribution is skewed.

Identify the given statement as either true or false.

"The standard deviation is a resistant measure of spread."

a. False

b. True

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