Arithmetic Mean Definition: The sum of the numerical values of each and every observation, that is divided by the total number of observations is equal to “Arithmetic Mean”. Arithmetic Mean is also called average or mean. The Arithmetic Mean or mean or average is defined as, Symbol: X = (𝚺xi)/n X = Mean […]
Read More →Mean Value – Word problems In this lesson we will learn about mean. We will also learn how to find mean of given data and solve word problems on mean. How to calculate mean Example: (1)What is the mean of 1, 2, 5, and 4. Solution : Mean = Sum of observations/Number of observations the numbers […]
Read More →Mean of Grouped Data 1. The mark obtained by 30 students of class 6th in physics paper consisting of 100 marks are given in below table. Find the mean of marks obtained by the students? Marks obtained xi 10 20 36 40 50 56 60 70 72 80 88 92 95 Number ofstudents fi 1 1 […]
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