Get Started with ixamBee
Start learning 50% faster. Sign in now
Number of senior employees = 7x Number of junior employees = 5x Total number of male employees = 9y Total number of female employees = 7y Number of male junior employees = 5x * 3/5 = 3x Number of female junior employees = 5x * 2/5 = 2x Number of male senior employees = 9y – 3x Number of female senior employees = 7y – 2x 7x = 9y – 3x + 7y – 2x 12x = 16y 3x = 4y Number of male senior employees = 9y – 4y = 5y Number of female senior employees = 7y – 2*(4y/3) =13y/3 Required ratio = 5y:13y/3 = 15:13
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:
