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Chapter 9.1, Problem 18P

(a)

To determine

Draw a scatter plot and the line that best fits the data.

(b)

To determine

Identify whether the correlation is low, moderate, or strong.

Identify whether the direction of correlation is positive or negative.

(c)

To determine

Verify the values of x, x2, y, y2 and xy using the calculator.

Find the value of r.

Explain whether y should tend to increase or decrease, as x increases based on value of r.

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Chapter 9 Solutions

Bundle: Understandable Statistics: Concepts And Methods, 12th + Jmp Printed Access Card For Peck's Statistics + Webassign Printed Access Card For ... And Methods, 12th Edition, Single-term

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