Define the terms:(i) Data(ii) Raw data(iii) Array(iv) Tabulation of da

1.	Define the terms:(i) Data(ii) Raw data(iii) Array(iv) Tabulation of data(v) Observation(vi) Frequency of an observation(vii) Statistics
Answer» (i) Data A collection of numerical figures giving some particular type of information is called data. (ii) Raw data Data obtained in the original form is called raw data. (iii) Array Arranging the numerical figures of a data in ascending or descending order is called an array. (iv) Tabulation of data Arranging the data in a systematic form in the form of a table is called tabulation of data. (v) Observation Each numerical figure in a data is called an observation. (vi) Frequency of an observation The number of times a particular observation occurs is called its frequency. (vii) Statistics It is the subject that deals with the collection, presentation, analysis and interpretation of numerical data.

Define the terms:(i) Data(ii) Raw data(iii) Array(iv) Tabulation of data(v) Observation(vi) Frequency of an observation(vii) Statistics

Answer»

(i) Data

A collection of numerical figures giving some particular type of information is called data.

(ii) Raw data

Data obtained in the original form is called raw data.

(iii) Array

Arranging the numerical figures of a data in ascending or descending order is called an array.

(iv) Tabulation of data

Arranging the data in a systematic form in the form of a table is called tabulation of data.

(v) Observation

Each numerical figure in a data is called an observation.

(vi) Frequency of an observation

The number of times a particular observation occurs is called its frequency.

(vii) Statistics

It is the subject that deals with the collection, presentation, analysis and interpretation of numerical data.

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