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Calculations for Simple Linear Regression Analysis

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For the y and x values listed, obtain the simple linear regression equation, then analyze the residuals by:
a. constructing a histogram
b. using a normal probability
c. plotting the residuals versus the x values
d. plotting the residuals versus the order which they were observed.

Do any of the assumptions of the simple linear regression model appear to have been violated?

X Y
54 39
28 209
42 137
27 246
17 228
16 243
48 110
13 230
38 165
36 197
31 214
36 192
48 97
18 251
38 198
55 35
40 180
27 240
45 129
54 28
50 78
32 203
29 211
18 249
49 82

Solution Summary

This solution provides calculations for linear regression.

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For the y and x values listed, otain the simple linear regression equation, then analyze the residuals by:
a. constructing a histogram
b. using a normal probability
c. plotting the residuals versus the x values
d. plotting the residuals versus the order which they were observed.

Do any of the assumptions of the simple linear regression model appear to have been violated?

X Y
54 39
28 209
42 137
27 246
17 228
16 243
48 110
13 230
38 165 ...

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.