Seasonal variations can be measured when the data are available in season wise __________

Fine data relating to x and yare to be fit in a straight line. It is found that Σx = 0 and Σy = 15. Then the y- intercept of the line is_____

The component of a time series which is attached to short term fluctuations is __________

The point estimate variance of 6.33, 6.37, 6.36, 6.32, 6.37 is

The number of ways in which one can select 2 customers out of 10 customers is __________

A coin is tossed 3 times. The probability of getting exactly 2 heads is _________

The probability that a normal variate X lies in the interval (μ-σ, μ+σ) is ___________

Which of the following are correct?
(i) E(aX+b) = a E(X) + b
(ii) μ₂= μ₂¹ - (μ₁¹)²
(iii) μ²= variance
(iv) V (a X + b) = a² V(x)

If F(x) is the probability distribution function, then F(- ∞) is_______.

If F(x) is the probability distribution function, then F(∞) is ________.

Variance of the random variable. X is 4, Its mean is 2. Then E(X²) is _________

_____determines the highest out come for each alternative.

Integrating factor of \(\frac { dy }{ dx } +\frac { 1 }{ xlogx } y=\frac { 2 }{ x^{ 2 } } \) is ______

In (x²-y²)dy = 2xy dx, if we put y = vx, then the equation is transformed into _____________

The differential equation of all circles with centre at the origin is _____________

∫ x cos x dx = ____________ +c.

∫ (1-x) \(\sqrt { x } \) dx = ______________+c 

\(\int _{ 1 }^{ e }{ log } x\) dx = __________ +c

If ∫ x sin x dx = - x cos x + α then α = __________ +c

If \(\left| \begin{matrix} 2x & 5 \\ 8 & x \end{matrix} \right| =\left| \begin{matrix} 6 & -2 \\ 7 & 3 \end{matrix} \right| \) then x =

If y is to be estimated for the value of x between two extreme points in a set of values, it is called ___________

If the values of x are not at equi-distant then we can use ______________

∆f(x + 3h) ______________

The Producer's surplus for the supply function P = g(x) for the quantity X_o and price P_o is_________

The area enclosed by the curve y = cos²x in [0,\(\pi\)] the lines x=0, x = \(\pi\) and the X-axis is ________sq.units.

∇ ≡ _______.

Decision theory is concerned with _______.

North-West Corner refers to ________.

A homogeneous differential equation of the form  \(\frac { dx }{ dy } \) = f\(\left( \frac { y }{ x } \right) \) can be solved by making substitution,______.

The differential equation of y = mx + c is ______.(m and c are arbitrary constants) 

While computing a weighted index, the current period quantities are used in the: ________.

The additive model of the time series with the components T, S, C and I is ________.

An estimator is said to be ________ if it contains all the information in the data about the parameter it estimates.

A _______is one where each item in the universe has an equal chance of known opportunity of being selected.

\(\Gamma (n)\) is _______.

If the area to the left of a value of z (z has a standard normal distribution) is 0.0793, what is the value of z?

The starting annual salaries of newly qualified chartered accountants (CA’s) in South Africa follow a normal distribution with a mean of  Rs.180,000 and a standard deviation of Rs. 10,000. What is the probability that a randomly selected newly qualified CA will earn between Rs. 165,000 and Rs. 175,000 per annum?

If X ~ N(9,81) the standard normal variate Z will be ________.

Which one is not an example of random experiment?

A formula or equation used to represent the probability distribution of a continuous random variable is called ________.

For a demand function p, if \(\int \frac{d p}{p}=k \int \frac{d x}{x}\) then k is equal to ________.

For the system of equations x + 2y + 3z = 1, 2x + y + 3z = 2, 5x + 5y + 9z = 4 _______.

The rank of m x n matrix whose elements are unity is ________.