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Chapter 1, Problem 3E

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QUESTION:

Problem 3E

For the following table of data,

x

1

2

3

4

5

6

7

8

9

10

y

0

0.5

1

2

2.5

3

3

4

4.5

5

a. draw a scatterplot.

b. calculate the correlation coefficient.

c. calculate the least squares line and graph it on the scatterplot.

d. predict the y- value when x is 11.

Questions & Answers

QUESTION:

Problem 3E

For the following table of data,

x

1

2

3

4

5

6

7

8

9

10

y

0

0.5

1

2

2.5

3

3

4

4.5

5

a. draw a scatterplot.

b. calculate the correlation coefficient.

c. calculate the least squares line and graph it on the scatterplot.

d. predict the y- value when x is 11.

ANSWER:

SOLUTION:

Step 1 of 6:

In this question, for the following table of data,

x

1

2

3

4

5

6

7

8

9

10

y

0

0.5

1

2

2.5

3

3

4

4.5

5

(a) Draw a scatterplot. (b)Calculate the correlation coefficient. (c) Calculate the least squares line and graph it on the scatterplot. (d)Predict the y- value when x is 11.

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