Basics of Statistics

Direction: Study the following chart to answers these questions. Slum Population as a percent of the total population


The difference in the slum populations of city G and city F is equal to_____.

Direction: Study the following chart to answers these questions. Slum Population as percent of total population


The city with the highest slum population was

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

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.

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

Which graph is used to represent data in continuous elements?

Classify the following variables as discrete and continuous.

Annual salary of all the workers in a company.

Classify the following variables in discrete and continuous.

Temperature recorded in NYC throughout the day.

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

The different flavours of ice creams cones sold in a fair is given:

Represent the data in a proper chart.

Explain different ways to represent discrete data.

Number of girls in different classes of a school are given. Represent the data by a bar graph

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?