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what is the formula of mean class 10. Average marks Sum of observation Number Of Observation. I The mean of the grouped data can be found by 3 methods.
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If x 1 x 2. The arrangement of data or observations can be done either in ascending order or descending order. The sample mean is the average and is calculated as the addition of all the observed outcomes from the sample divided by the total number of events.
Find the mean of the following data set.
Step 1RED Find xi as Class mark Upper class limit Lower class limit 2 for each i. In class 10 the chapter statistics mostly deals with finding the mean median and mode of grouped data. If x 1 x 2. CBSE Class 10 Maths Formulas.
