MP by Company B = 48 × (150/100) = Rs.72 Discount offered by Company B = 72 × (10/100) = Rs.7.2 Discount on 150 masks = 150 × 7.2 = Rs.1080 Cost of Company A = 20 × 100 = Rs.2000 Required difference = 2000 – 1080 = Rs.920
If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
The probability of getting 9 cards of the same suit in one hand at a game of bridge is
The mean deviation and coefficient of mean deviation of 5 observation are 1.2 and 0.4. If the sum of the first four terms is 10, then the fifth term is...
Statistics is not applicable to ________ observation.
The mean and median of the distribution is 12 and 15. Then the mode equals to:
Completely randomized design is based on the principles of _________ and randomization only.
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is: