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56. Sturge's rule is used to find out directly.
Number of classes in a continuous distribution
Size of class limits
The direction of the classification
None of the above
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57. Systematic sampling belongs to
Quota sampling
Non-probability sampling
Probability sampling
58. X2 computed by
X^2= ∑〖[〖(0-E)〗^2/E]〗
X^2- ∑〖[〖(0-E)〗 /N]〗
X^2= (∑〖(0-E)〗^2 )/E
X^2= (∑〖(E-O)〗^2 )/E
Pooja on (2021-09-08 00:18:48) Comments : A is correct answer
59. Which of the following is not a measure of dispersion
Skewness
Mean Deviation
Standard Deviation
Quartile Deviation
60. Karl Pearson coefficient of correlation between X and Y variable measures
Covariance between the two
The inverse of the products of their standard deviations
product of' A' and 'B'
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