Write the class frequencies in notational form. An investigation of 23,713 households was made in an urban and rural mixed locality. Of these 1618 were farmers, 2015 well-to-do and 770 families were...

Extracted text: Write the class frequencies in notational form. An investigation of 23,713 households was made in an urban and rural mixed locality. Of these 1618 were farmers, 2015 well-to-do and 770 families were having at least one graduate. Of these graduate families 335 were those of farmers and 428 were well-to-do, also 587 well-to-dofamilies were those of fafmers and out of them only 156 were having at least one of their family members as graduate.c le 3