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- 1. Multiple Choice
correlation measures _______________ among variables.
Direction of relationship
intensity of relationship
direction & intensity of relationship
Cause & effect relationship
- 2. Multiple Choice
What enable us to examine the relationship between two variables in a scatter diagram?
degree of closeness of the scatter points
overall direction of the scatter points
degree of closeness of the scatter points and their overall direction
None of these
- 3. Multiple Choice
The value of simple correlation coefficient lies between
0 and +1
0 and -1
+1 and -1
0 and 100
- 4. Multiple Choice
Which method of correlation is confined to measure linear relationship among variables?
Scatter diagram
Karl Pearson’s coefficient of correlation
Spearman’s rank correlation
Both Karl Pearson’s coefficient of correlation & Spearman’s rank correlation
- 5. Multiple Choice
A line on a scatter plot which can be drawn near the points to more clearly show the trend between two sets of data is called
Scatter Plots
Outlier
Line of best fit
Regression LIne
- 6. Multiple Choice
This is a formula for finding correlation in which method?
Scatter Diagram
Karl Pearson;s correlation coefficient
Spearman;s Rank corelation
All of these
- 7. Multiple Choice
This is a formula for finding correlation in which method?
Scatter Diagram
Karl Pearson;s correlation coefficient
Spearman;s Rank corelation
All of these
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