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Cost price of article A = 500 x (2/5) = Rs.200 Cost price of article B = 500 - 200 = Rs.300 Quantity I: MP of article A = 200 x 1.52 = Rs.304 SP of article A = 304 x 0.75 = Rs.228 So, profit earned = 228 – 200 = Rs.28 Quantity I = Rs.28 Quantity II: SP of article A = 200 x 1.30 = Rs.260 SP of article B =300 x 0.95 = Rs. 285 So, overall profit earned = (260 + 285) – 500 = Rs. 45 Quantity II = Rs. 45 Hence, Quantity I < Quantity II
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
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For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
If the random sample of size n is drawn without replacement from a finite population of size N, the correction factor for standard error of sample mean...
Two data set of size 9 and 6 have standard deviation 3 and 4 respectively and arithmetic means 3 and 3 respectively. The standard deviation of combined...
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â...
The grouped data for the observation are as follows.
Class :Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2-4Â Â Â Â Â Â Â Â 4-6Â Â Â Â Â Â Â Â Â 6-8...
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: