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प्रश्न
If the values of two variables move in the opposite direction then the correlation is said to be
पर्याय
Negative
Positive
Perfect positive
No correlation
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उत्तर
Negative
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संबंधित प्रश्न
Calculate the coefficient of correlation for the ages of husbands and their respective wives:
| Age of husbands | 23 | 27 | 28 | 29 | 30 | 31 | 33 | 35 | 36 | 39 |
| Age of wives | 18 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 32 |
Example for positive correlation is
If the values of two variables move in same direction then the correlation is said to be
Correlation co-efficient lies between
The correlation coefficient from the following data N = 25, ∑X = 125, ∑Y = 100, ∑X2 = 650, ∑Y2 = 436, ∑XY = 520
The correlation coefficient is
The variable which influences the values or is used for prediction is called
Scatter diagram of the variate values (X, Y) give the idea about
If two variables moves in decreasing direction then the correlation is
If the points on the scatter diagram indicate that as one variable increases the other variable tends to decrease the value of r will be:
