Collection of Data

____means separating items according to similar characteristics grouping them into various classes.

Data collected on religion from the census reports are

You are an auditor of a firm and the firm earns a profit $\mathrm{Rs}. 67,000/-$ you stated to them that the annual profit is $\mathrm{Rs}. 67,000$. This is_________ type of statics.

Census reports are used as a source of _________ data

The average of salaries in a factory is $\mathrm{Rs}. 47,000$. The statement that the average salary $\mathrm{Rs}. 47,000$ is __________

Seasonal variations can occur within a period of

The sale of cold drink could go up in summers and go down in the winters is an example of _____.

The mean of the $n$ observations $x_1,x_2,x_3,\dots ,x_n$ be $\overline{x}$. Then, the mean of $n$ observations $2x_1+3,2x_2+3,2x_3+3,\dots \dots ,2x_n+3$ is

The intersection point of less than ogive and more than ogive gives::

The following data relate to the marks of a group of students :

How many students got marks more than $30 ?$

Graph is a

The number of accidents for seven days in a locality are given below:

What is the number of cases when $3$ or less accidents occurred?

Cost of sugar in a month under the heads raw materials, labour, direct production and others were $12, 20, 35$ and $23$ units respectively. What is the difference between the central angles for the largest and smallest components of the cost of sugar?

A sample study of the people of an area revealed that total number of women were $40\%$ and the percentage of coffee drinkers were $45$ as a whole and the percentage of male coffee drinkers was $20.$ What was the percentage of female non-coffee drinkers?

Out of $1000$ persons, $25$ per cent were industrial workers and the rest were agricultural workers. $300$ persons enjoyed world cup matches on TV. $30$ per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV?

The distribution of profits of a company follows

Most of the commonly used frequency curves are

Frequency curve is a limiting form of

A comparison among the class frequencies is possible only in

Median of a distribution can be obtained from