6 Marks: 1 Given the following table and given that thedata was collected on 700

Question

6 Marks: 1 Given the following table and given that thedata was collected on 700 subjects:


X1
X2
X3
X1
1
0.735
0.000
0.150
0.000
X2

1
0.323
0.000
X3


1

What does 0.175 show?
Choose one answer. a. It shows thecorrelation of X1 with X3 and it is statistically but notpractically significant. b. It shows that ifwe draw the scatterplot of X1 Vs X3 most of the points will beclose to the regression line and show a moderate and positiverelationship between these two varaibles. c. It shows theslope for the prediction of X3 from X1 and it is statistically butnot practically significant. d. It shows thecorrelation between X1 and X3 and it is both practically andstatistically significant. Marks: 1 Given the following table and given that thedata was collected on 700 subjects:


X1
X2
X3
X1
1
0.735
0.000
0.150
0.000
X2

1
0.323
0.000
X3


1

What does 0.175 show?
Choose one answer. a. It shows thecorrelation of X1 with X3 and it is statistically but notpractically significant. b. It shows that ifwe draw the scatterplot of X1 Vs X3 most of the points will beclose to the regression line and show a moderate and positiverelationship between these two varaibles. c. It shows theslope for the prediction of X3 from X1 and it is statistically butnot practically significant. d. It shows thecorrelation between X1 and X3 and it is both practically andstatistically significant. Given the following table and given that thedata was collected on 700 subjects:


X1
X2
X3
X1
1
0.735
0.000
0.150
0.000
X2

1
0.323
0.000
X3


1

What does 0.175 show?
Choose one answer. a. It shows thecorrelation of X1 with X3 and it is statistically but notpractically significant. b. It shows that ifwe draw the scatterplot of X1 Vs X3 most of the points will beclose to the regression line and show a moderate and positiverelationship between these two varaibles. c. It shows theslope for the prediction of X3 from X1 and it is statistically butnot practically significant. d. It shows thecorrelation between X1 and X3 and it is both practically andstatistically significant. Choose one answer.
X1
X2
X3
X1
1
0.735
0.000
0.150
0.000
X2

1
0.323
0.000
X3


1

Explanation / Answer

Answer: d. It shows the correlation between X1 and X3 andit is both practically and statisticallysignificant.

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