Which of the following alternatives is true?
The class MidPoint is equal to

Which of the following alternatives is true?
The frequency distribution of two variable is known as:

Which of the following alternatives is true?
Statistical Calculations in classified data are based on:

Which of the following alternatives is true?
Under exclusive method:

Which of the following alternatives is true?
Range is the:

Do you agree that classified data is better than raw data?

What is loss of information in classified data?

In a city 45 families were surveyed for the number of domestic appliances they used. Prepare a frequency array based on their replies as recorded below:

Distinguish between univariate and bivariate frequency distribution.

Prepare a discrete frequency distribution of shoe size of your class XI students.

From the data given below, find:
(a) Range of the marks obtained by students;
(b) Divide the data into appropriate number of class interval to determine class interval using the formula 2^k \(\ge\) N. and obtain the distribution of marks.

Convert the series given below into exclusive series.