Using usual notations, the logistic curve that is known as Pearl-Reed curve and used as a measurement of the secular trend is given by:

Using usual notations, the cost of living index in terms of weights is calculated by:

If Laspeyres’ index is 119.4 and Paasche’s index number is 118.7, then Fisher’s ideal index number is:

If p₀ and p₁ denote the prices for base and current period and q₀ and q₁ denote the quantities for base and current period, then Paasche’s index number is given by:

For the period 2016-2020, the quarterly averages of prices of a certain commodity are 3.8, 4.25, 3.85, and 4.35. The seasonal index for the second quarter is equal to:

Which of the following is NOT a measurement of seasonal variation?

Increase in sales of a departmental store during a festival is an example of the _____ component of the time series.

In the concept of base shifting, by which common factor are old index numbers multiplied in order to obtain new index numbers?

Which of the following options represents the component(s) of a time series?

Using usual notations, the logistic curve that is known as Pearl-Reed curve and used as a measurement of the secular trend is given by:

Using usual notations, the cost of living index in terms of weights is calculated by:

If Laspeyres’ index is 119.4 and Paasche’s index number is 118.7, then Fisher’s ideal index number is:

If p₀ and p₁ denote the prices for base and current period and q₀ and q₁ denote the quantities for base and current period, then Paasche’s index number is given by: