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12th Tamil Nadu Board
IMPORTANT
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Write the definition of correlation by A.M. Tuttle.

Important Questions on Correlation Analysis

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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 1
The statistical device which helps in analyzing the covariation of two or more variables is
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 2
“The attempts to determine the degree of relationship between variables is correlation” is the definition given by
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 4
 If all the plotted points lie on a straight line falling from upper left hand corner to lower right hand corner then it is called
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 5
If r =+1, then the correlation is called
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 11
The purpose of the study of _________ is to identify the factors of influence and try to control them for better performance.
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 25
What do you mean by uncorrelated?
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 29
Define rank correlation.
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 4 - Correlation Analysis>Exercise>Q 39
 Write any three merits of scatter diagram.