The rise in prices before Christmas is an example of

Given $\sum p_0 q_0 = 800$, $\sum p_0 q_1 = 1500$, $\sum p_1 q_1 = 1300$ and $\sum p_1 q_0 = 900$, where subscripts 0 and 1 are used for base year and current year respectively. The Paasche's index number is:

Match the LIST-I with LIST-II

Choose the correct answer from the options given below:

For the given 7 values 5, 7, 9, 2, 2, 3, 4 the five year moving averages are

Consider the following data :

The equation of the straight line trend by the method of least squares is :

The prices and the quantities of three commodities are given are :

The Laspeyre's price index number for year 2009 with year 2006 as base is 200. The value of $x$ is :

Using simple average of relatives method, the price index for 2011, taking 2001 as base year, was found to be 127. If $\Sigma p_0 = 263$, then x and y from the following data are :