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Q-1. Construct a frequency distribution from the data of 100 observations by taking a suitable class interval. Calculate its standard deviation and co-efficient of variation.

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Q-1. Construct a frequency distribution from the data of 100 observations by taking a suitable class interval. Calculate its standard deviation and co-efficient of variation. Q)-2. Take a data set of twenty observations. Calculate the regression equation and correlation coefficient. Interpret your results

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