Statistics
Statistics
Statistics:
It is the branch of mathematics that deals with analysis of the data that has been collected. This analysis can used in various predictions and plannings. Thus statistics deal with the collections, classification, graphical representation, analysis and interpretation of data. The word statistics is used in both its singular as well as its plural senses.
In singular sense, statistics may be defined as the science of collection, presentation,analysis and interpretation of numerical data. In plural sense, statistics means numerical facts or observations collected with definite purpose.
For example, income and expenditure of persons in a particular locality, number of males and females in a particular town are example of statistical data.
Statistics in a plural sense have the following characteristics
(i) A single observation does not form statistics. Statistics are a sum of various observations.
(ii) Statistics are expressed quantitatively and not qualitatively.
(iii) Statistics are collected with a definite purpose.
(iv) Statistics in an experiment are comparable and can be classified into various groups.
The collected data can be represented pictorially using
1. Pictograph
2. Bar Garph
3. Histogram
4. Frequency Polygons.
There are various measures of central tendency such as
Identify the correct statement. 1. Statistics is the branch of mathematics that deals with analysis of the data that has been collected. 2 This analysis can used in various predictions and plannings. 2. Statistics deal with the collections, classification, graphical representation, analysis and interpretation of data. | |||
| Right Option : D | |||
| View Explanation | |||
The collected data can be represented pictorially using 1. Pictograph 2. Mean 3. Histogram 4. Frequency Polygons. | |||
| Right Option : C | |||
| View Explanation | |||
______________ is a study of the collection, organization, analysis, interpretation, and presentation of data. | |||
| Right Option : C | |||
| View Explanation | |||
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8thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
