Question

Index number which is constructed from group of variables ​

Answer 1

Answer:

Index Numbers measure net or relative change in a variable or a group of variables. For example, if the price of a certain commodity rises from Rs. 10 in the year 2007 to Rs. 15 in the year 2017, Price Index Number will be 150 showing that there is 50% increase in the prices over this period.

Answer 2

Explanation:

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Fauna is sometimes referred to as Fauns, meaning forest spirits. By definition, fauna is a group of indigenous animals of any geographical region. So, the term flora and fauna was coined by biologists to refer to a collection of plant and animal specifies in a given geographic location.