Consider the following data :

Year	2012	2013	2014	2015	2016
Sales (in ₹ crores)	8	10	7	9	12

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

The components of time-series are

A. Seasonal component

B. Reverse component

C. Cyclic component

D. Irregular component

Choose the correct answer from the options given below:

Match List - I with List - II.

Given that $\Sigma p_0 q_0 = 150$, $\Sigma p_0 q_1 = 80$, $\Sigma p_1 q_0 = 240$, $\Sigma p_1 q_1 = 200$.

Choose the correct answer from the options given below :

From the data given below the Laspeyre's price index for the year 2016 with year 2010 as base year is

Irregular variations in a time series are caused by:

A. Floods

B. Natural calamities

C. Labour strike

D. Climate changes

Choose the correct answer from the options given below:

The price index of sugar in 2019 compared to 2016 is 120. If the cost of sugar was Rs.25 per kg in 2016 then the cost in 2019 is: