Question

what are statistics.

Answer 1

Hi,

Here is your answer,

Statistics is the Science of collection , organisation , presentation , analysis and interpretation of the numerical data.

Here are few important terms:-

1. Class Interval :- The difference between upper and lower boundary of a class is called class interval or size of the class.

2. Frequency :- The number of times an observation occurs in the given data, is called the frequency of the observation.

3. Limits of the Class :- The starting and end values of each class are called ''LOWER'' and ''UPPER'' limits.

4. Variable:- A characteristics that varies in magnitude from observation to observation. Example:- Income,height etc.

5. Continuous Frequency Distribution:- A frequency distribution in which data are arranged in classes which are not exactly measurable.

6. Primary and Secondary Data:- The data collected by the investigator himself is known as the primary data, while the data collected by a person other than the investigator is known as the ''Secondary Data''.

7. Discrete Frequency Distribution :- A frequency distribution is called a discrete frequency distribution.


Hope it helps you !

Answer 2

HEY!!

_______________________________

✴Statistics can be defined in two forms:-

▶Singular

▶Plural

_______________________________

✴PLURAL

✔Statistics is a branch of mathematics which deals with the collection, organization, and interpretation of data.

✔It also deals with the planning of data collection in terms of the design of survey and experiments.

✴SINGULAR

✔In the singular sense ,statistics refers to the science of studying statistical methods.

✔It indicates the techniques or methods of collecting, organising, presenting, analysing and interpreting data.