Organisation of...

 In a series the number of times an item occurs is known as:

If the classes are $$0-10, 10-20, 20-30...$$ then in which class should the observation $$10$$ be included?

In an inclusive from of frequency distribution the true lower limit of a class is always obtained by subtracting :

The upper limit of the class $$20 - 29 $$ is equal to :

To export the report in ASCIL, HTML, or XML format, which of the following shortcut key one will use in tally ____________.

In tally mark, a group of five marks represented as _______ .

Select and write the appropriate answer from the given alternatives in each of the following sub-questions:
Let the p.m.f of a random variable X be

$$P(x) = \frac{3-x}{10}$$ for x = $$-1, 0, 1, 2 = 0$$
otherwise

Then E(X) is _______. 

In Tally F6 is used for ___________.

In Tally F4 key is used for ______________.

Match of the following with reference to shortcut keys used in Tally:
P. To remove  in a line                 1. CTRL + ALT+ I
Q. To Abandom the form              2.  ALT + R
R. To import statutory master       3. ALT + I
S. Rewrite data for a company     4. ALT+I
                                                    5. ALT+Q
                                                    6. Delete
Select the correct answer from the option given below