CBSE Class 7 - Arithmetic Mean Videos
Arithmetic Mean
This video explains the concept of Mean or Average of the given observations and its Formula, Problems on Arithmetic Mean.
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Introduction to Probability
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Arithmetic Mean
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Collection and classification of data
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Organising and Representing data
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Double bar graphs
- find the mean of first 20 whole numbers
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please answer
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Question 12
- Find the mean and range of the following data: 2, 2, 3, 5, 5, 7, 8
- Two bowlers, Srinath and Akhtar, played six games with the following results: Bowler Game 1 Game 2 Game 3 Game 4 Game 5 Game 6 Srinath 185 135 200 185 250 155 Akhtar 182 185 188 185 180 190 What are the mean scores for Srinath and Akhtar?
- Following are the marks obtained by 15 girls in science (out of 100) 72,93,52,95,56,65,69,73,42,77,86,49,80,72,55 (a) What is the range? (b) What are the highest marks obtained by a student? (c) Calculate the mean marks.
- Mean of 9 numbers is 25. One number 14 is excluded. Find the new mean.
- Mean of 7 numbers was found to be 50. Later on it was detected that a number 72 was misread as 27. Find the correct mean of the observations.
- Calculate mean for following data : 23,45,46,12,34,87,78,12,65,33, 19,34,55,67,81,12,56,98,11,49
- In a cricket match, the runs scored by 11 players are as follows 12, 23, 10, 77, 15, 78, 90, 54, 23, 10, 1 Find the average score.
