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To "take exception" means to have an objection or to express disagreement with something.
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
The grouped data for the observation are as follows.
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
