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
Which one of the following is not correct: 1. Statistics is liable to be misused. 2. The data collected by the investigator is known as raw data. 3. Statistical results are accurate. 4. Statistical data takes individual data into account. | |||
| Right Option : D | |||
| View Explanation | |||
There are various measures of central tendency are 1. Mean 2. Median 3. Mode | |||
| Right Option : C | |||
| View Explanation | |||
The branch of mathematics that deals with analysis of the data that has been collected is _________________. | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thMy 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.
Shivam Rana
7thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
