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Total cost of 10 stickers = 10*12 = Rs. 120 Total cost of 8 stickers = 8*11.75= Rs. 94 => The cost of remaining 2 stickers = 120- 94 = Rs. 26 Let the price of each sticker be x and y. => x + y = 26---------------- (1) And x = 160% of y = 1.6y => 2.6y = 26 y = 26/2.6= 10 and x = 26- 10= 16 So, the price of each of the two stickers is Rs. 10 and Rs. 16 respectively.
Let MSA defines mean sum of squares due to factor A and MSE defines mean sum of squares due to error. If the null hypothesis of ANOVA for one way class...
If Arithmetic mean and coefficient of variation of x are 10 and 40 respectively, then the variance of y = 10 – 2x is:
If the mean and variance of a binomial distribution are 5 and 4, respectively, then the value of n is:
If the difference between the rank of the 4 observations are 2.5, 0.5, -1.5, -1.5, then Spearman's rank correlation coefficient equals to:
By the method of moving averages, the seasonal index for four quarters equals to:
X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
If each observation in a data set for number of employees in different divisions is doubled then the coefficient of quartile deviation:
