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111 + 7 = 118 118 + 14 = 132 132 + 21 = 153 153 + 28 = 181 181 + 35 = 216 216 + 42 = 258
If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
Completely randomized design is based on the principles of _________ and randomization only.
Which one is not basis of classification of data.
If X and Y represent waiting time and service time of customers in shopping mall, have joint destiny f(x, y) = kx; 0 ≤ y ≤ x ≤ 1, then the value ...
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X: �...
By the method of moving averages, the seasonal index for four quarters equals to:
