If one adds an additional variable in an effort to improve the explanation of the variability...

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If one adds an additional variable in an effort to improve the explanation of the variability...

If one adds an additional variable in an effort to improve the explanation of the variability in a dependent variable, the correlation will always go up.

Select one:

a. TRUE

b. FALSE

Which of the following is a dummy variable?

Select one:

a. shoe color

b. shoe size

c. shoe weight

d. none of the above

Which of the following is a dummy variable?

Select one:

a. fish weight

b. fish length

c. fish species

d. None of these make sense

math Statistics-And-Probability

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