A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mean and median of the following data. | Number of cars | 0 − 10 | 10 − 20 | 20 − 30 | 30 − 40 | 40 − 50 | 50 − 60 | 60 − 70 | 70 − 80 | |----------------|--------|---------|---------|---------|---------|---------|---------|----------| | Frequency (periods) | 7 | 14 | 13 | 12 | 20 | 11 | 15 | 8 |

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Mean of Grouped Data Using Direct Method, Formula for Median of Grouped Data | PadhAiPro

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TextMean of Grouped Data Using Direct MethodFormula for Median of Grouped DataCBSE PYQ

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