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Exam (elaborations)

Wgu c957 Exam Questions with Correct Answers

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Wgu c957 Exam Questions with Correct Answers

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Wgu c957 Exam Questions with Correct
Answers
X axis lists:

Independent variable/ input

Y axis lists:

Dependent variable/output

Concave up

U shaped/ decreases slower and slower then increases faster and faster

Concave down

upside down U/ increases slower and slower and deacreases faster and faster

Validity of scatter plot

Invalid if less than 10 points

Outlier

Should always be investigated before

Interpolation of strong model correlation

Within data points

Extrapolation of strong model correlation

50% of x values up or down

Strong model correlation r2 value

0.7-1

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