√ ({(5.5× 2.3)× √ (728.91))} = 3(1/7)÷ ?/28 √ ({(6× 2)× √ (729))} = 3(1/7)÷ ?/28 √ (12× 27) = 22/7× 28/? =>√ 324 = 88/? => 18 = 88/? => ? = 4.888 = 5
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:
With reference to index numbers, which of the following statements is true?
In a two-way ANOVA table
the value of x, FA, FB are:
If the population kurtosis of the observations 16,12,6,2,4,10 is 1.7414, then population kurtosis of the 8,6,3,1,2,5 is
For two items, tea (1 kg) and sugar (1 kg), the prices in the year 2019 were ₹100 and ₹50, respectively, whereas the prices in the year 2020 were â...
For ANOVA table
the F - statistics is:
A B and C are three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = (3/2) P(A) and P(C) = (1/2) P(B) then value...
Which of the following is NOT a way of the sampling?
If moment generating function of discrete random variable X is (q + pet )n , then E(X2) equals to
If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
