arithmetic Mean for grouped data by direct method

[@zahoorsangat9051]

Thank You Mam Bhot Achi tarha samajh Aya Mujy ❤❤❤❤

[@pratimamathsclasses9581]

Thanks:)

[@zahoorsangat9051]

@@pratimamathsclasses9581 Khush Rahy Mam

[@rajeevroy1446]

Nice 👍

[@pratimamathsclasses9581]

Thanks