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The Content (watermelon) in both the fresh and dry Watermelon is the same. Given, Fresh watermelon has 60% water, So remaining 40% is watermelon content. Weight of Fresh Watermelon is 1 Quintal i.e., 100 kg Dry Watermelon has 30% water, so remaining 70% is watermelon content. Let weight if dry watermelon be x kg. Watermelon% in Fresh watermelon = Watermelon% in dry watermelon ∴ (40/100) × 100 = (70/100) × x On solving, x = 57.14 ≈ 57 kg
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:
