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The null hypothesis in ANOVA one-way classification, the study of the variances due to k different sources, is:
A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values is:
For the data set
X: 1 2 3 4 ...
The curve obtained by joining the points, whose x-coordinates are the upper limits of the class interval and y-coordinates are corresponding cumulative...
If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:
For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:
With reference to index numbers, which of the following statements is true?
28 If r ₁₂ = +0.80, r13 = -0.40 and r23 = -0.56, then the square of multiple correlation coefficient (correct to four decimal places) R2...
The Mean deviation about Median for the given data.
52, 56, 66, 70, 75, 80, 82 is:
If Z follows standard normal distribution with mean 0 and variance 1, then Z2 follows:
