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Consider the following table of data.x1234y1111.1a.

Chapter 1, Problem 7E

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QUESTION:

Problem 7E

Consider the following table of data.

x

1

2

3

4

y

1

1

1

1.1

a. Calculate the correlation coefficient.

b. Sketch a graph of the data.

c. Based on how closely the data fits a straight line, is your answer to part a surprising? Discuss the extent to which the correlation coefficient describes how well the data fit a horizontal line.

Questions & Answers

QUESTION:

Problem 7E

Consider the following table of data.

x

1

2

3

4

y

1

1

1

1.1

a. Calculate the correlation coefficient.

b. Sketch a graph of the data.

c. Based on how closely the data fits a straight line, is your answer to part a surprising? Discuss the extent to which the correlation coefficient describes how well the data fit a horizontal line.

ANSWER:

Solution

Step 1 of 4

In this problem, from the given data in the table we need to calculate the correlation coefficient, and then sketch the graph of the data.

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