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Correlation

Question
CBSEENST11024511
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What is multiple correlation?

Solution

Multiple Correlation : When relationship among three or more than three variables is studied simultaneously then such relationship is called multiple correlations. In case of such correlation the entire set of independent variables is studied. For example the effect of rainfall, manure, water etc. to increase the productivity of what are simultaneously studied.

Some More Questions From Correlation Chapter

The range of simple correlation coefficient is:

 

If rxy is positive the relation between X an Y is of the type:

If rxy = 0 the variable X and Y are:

 

Of the following three measures which can measure any type of relationship:

 

If precisely measured data are available the simple correlation coefficient is:

Why is r preferrred to co-variance as a measure of association?

Can r lie outside -1 and 1 range depending on the type of data?

Does correlation imply causation?

When is rank correlation more precise than simple correlation coefficient?

Does zero correlation mean independenc?

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