Measures of Central Tendency — Economics STD 11 Commerce — Question

Measures of central tendency are known as:

If all the observations of a series are multiplied by 5 then:

Data collected on religion from the census reports are:

Indicate the most appropriate alternative from the multiple choices provided against question.
Which average is affected most by the presence of extreme items?

'Sarvekshana', the quarterly journal is published by:

When r = 1, all the points in a scatter diagram would lie:

Index numbers are very helpful in comparing the economic conditions of a particular group of people for __________ different periods:

In perfect competition, when the marginal revenue and marginal cost are equal, profit is:

Error which occur due to non-response from the respondents is an example of ______________.

Who is known as father of economics?