Data: Data is a collection of numbers to give some useful information. Exrtraction meaningful information from collected data such as organising, summarising, presenting and analysing the data is a branch of mathematics called statistics. Data is defined as the particular information in numeric form.
Primary Data: If the data is collected by the investigator herself/himself with the sepcific purpose, then such data is called the primary data.
Secondary Data: If the data collected by someone else other than investigator are kown as secondary data.
Grouped Data: The data can be represented into classes or groups. Such a presentation is known as grouped data. Firstly it may arrange in ascending or descending order and then divide into groups.
Raw Data: Raw data is the data which is not arranged in any particular fashion or pattern. It is the original form of data.
Recording Data: The data is collected and recorded by the investigator with a definite objective in mind. For example in a class of 18 students a teacher wants to know the subject which maximum number of students like. The teacher will have to record the favourite subject of different students.For this the teacher will make a list with the name of the student and their favourite subject.
S.No | Name of Student | Favourite Subject | S.No | Name of Student | Favourite Subject |
1 | Rohan | English | 10 | Seema | Maths |
2 | Rajesh | Sceince | 11 | Preeti | English |
3 | Raghav | Maths | 12 | Amar | Maths |
4 | Farida | Science | 13 | Ravi | English |
5 | Fatima | Science | 14 | Anita | Science |
6 | Satish | English | 15 | Supriya | Maths |
7 | Akhtar | Science | 16 | Sapna | English |
8 | Usha | English | 17 | Manoj | Maths |
9 | Ram | Maths | 18 | Neena | English |
Organisation of Data: Once the data has been collected. Then the teacher has to organise the data to know the subject which is liked by most of the students.For this the teacher will count the number of times a particular subject appears in the list.
Maths : 6 times
Science : 5 times
English: 7 times
So the most favourite subject is English as it is occuring seven times.
In which year the difference between the highest and the average marks in Maths was maximum ? | |||
Right Option : D | |||
View Explanation |
The inclusive form of class boundary is defined as ________________________________________. | |||
Right Option : B | |||
View Explanation |
Facts or figures collected with a definite purpose are called _______________ . | |||
Right Option : A | |||
View Explanation |
My 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.
It 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
It 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.
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
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My 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.
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
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It 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.
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.