If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................
A) Zero correlation
B) High degree of positive correlation
C) Perfect negative correlation
D) Perfect positive correlation
Correct Answer:
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Q15: Standard deviation is always computed from
A)Mean
B)Median
C)Mode
D)geometric mean
Q16: Which of the following is true, if
Q17: For a distribution of data, if the
Q18: Correlation analysis is a ..............................
A)Univariate analysis
B)Bivariate analysis
C)Multivariate
Q19: If one of the regression coefficients is
Q21: The rank correlation coefficient was discovered by....................................
A)Fisher
B)Spearman
C)Karl
Q22: If the regression line is Y on
Q23: The point of intersection of two regression
Q24: If r = ± 1, the two
Q25: If bxy and byx are two regression
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