Draw (i) a Histogram and (ii) an Ogive from the following data: Daily wages (Rs.) No. of employees 4-6 6-8 8-10 10-12 12-14 14-16 13 11 182 105 19 7 Find approximate value of the median from the Ogive and check your answer by calculation.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.