Question

In: Statistics and Probability

Use the given data set to complete parts​ (a) through​ (c) below.​ (Use α=​0.05.) x 10...

Use the given data set to complete parts​ (a) through​ (c) below.​ (Use

α=​0.05.)

x

10

8

13

9

11

14

6

4

12

7

5

y

7.47

6.77

12.74

7.12

7.81

8.85

6.08

5.38

8.15

6.41

5.73

Using the linear correlation coefficient found in the previous​ step, determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Choose the correct answer below.

A.There is sufficient evidence to support the claim of a linear correlation between the two variables.

B.There is insufficient evidence to support the claim of a nonlinear correlation between the two variables.

C.There is sufficient evidence to support the claim of a nonlinear correlation between the two variables.

D.There is insufficient evidence to support the claim of a linear correlation between the two variables.

c. Identify the feature of the data that would be missed if part​ (b) was completed without constructing the scatterplot. Choose the correct answer below.

A.

The scatterplot reveals a perfect​ straight-line pattern, except for the presence of one outlier.

B.

The scatterplot does not reveal a perfect​ straight-line pattern, and contains one outlier.

C.

The scatterplot does not reveal a perfect​ straight-line pattern.

D.

The scatterplot reveals a perfect​ straight-line pattern and does not contain any outliers.

Solutions

Expert Solution

Using the linear correlation coefficient found in the previous​ step, determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Choose the correct answer below.

A.There is sufficient evidence to support the claim of a linear correlation between the two variables

c. Identify the feature of the data that would be missed if part​ (b) was completed without constructing the scatterplot. Choose the correct answer below.

A.

The scatterplot reveals a perfect​ straight-line pattern, except for the presence of one outlier.


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