Sum of the squares of first n odd number = n(2n+1)(2n-1)/3 Where n = number of terms Here number of terms are 10 as last odd term is = 2n-1=19 So n =10 So required sum = 10 × 21 ×19/3 = 1330
Which option is incorrect?
Which of the following options is correct when data is classified on the basis of attributes?
The median of following observations 8, 9, 10, 8, 8, 10, 8, 9 is
For the ANOVA which option is wro1ng?
X1 and X2 represent number of occurrences of event A and 8 that follow Poisson distribution with mean rate λ1 and λ2 , If Y1 and Y2 are inter-occurre...
60% of the employees of a company are college graduates. Of these, 10% are in sales. Of the employees who did not graduate from college, 80% are in sal...
Which one is not non-probability sample method
Marshall-Edgeworth Index number:
