Question

In: Math

Use the given data to find the equation of the regression line. Examine the scatterplot and...

Use the given data to find the equation of the regression line. Examine the scatterplot and identify a characteristic of the data that is ignored by the regression line.

x

66 5 10 9 7 11 8 12 14 15 13

y

4.19 2.42 8.22 7.67 5.66 8.47 6.81 8.41 7.39 6.42 8.06

y with caret =__+__x

(Round to two decimal places as needed.)

Create a scatterplot of the data. Choose the correct graph below.

Identify a characteristic of the data that is ignored by the regression line.

A. There is an influential point that strongly affects the graph of the regression line.

B. The data has a pattern that is not a staight line.

C. There is no trend in the data.

D. There is no characteristic of the data that is ignored by the regression line.

Solutions

Expert Solution

Solution :

X Y X * Y X * X
66 4.19 276.54 4356
5 2.42 12.1 25
10 8.22 82.2 100
9 7.67 69.03 81
7 5.66 39.62 49
11 8.47 93.17 121
8 6.81 54.48 64
12 8.41 100.92 144
14 7.39 103.46 196
15 6.42 96.3 225
13 8.06 104.78 169


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