00:01
So, in the given question, they have asked is statistic necessary in the calculations for a question.
00:11
So, for that they have asked us to write the questions, some of the questions which will be useful.
00:19
So, first of all the question that i feel where the statistic is very useful is what is the average percentage of a or overall average overall percentage we can have average overall percentage of a student's marks in this semester exam.
00:52
We are just asking our student will calculate his overall percentage of in a semester exam.
01:07
So, how we will do this is in this question statistic can accurately answer to this.
01:14
First step is he will collect all the marks all the subject marks.
01:20
So, this is this comes under data collection, collect all subject marks he has obtained in that examination first step.
01:33
Then second step is he will add or sum up all the marks.
01:43
Then he will divide the value the student will divide the value divide the added value by the number of by the total count or the by the total number of subjects.
02:05
For example, he is writing for 5 subjects means he will divide the added value by the total number of subjects that is 5 he will divide it.
02:15
So, this is the then we get the average overall percentage in the semester exam...