$2.$ In a survey it was found that $64$ families bought milk in the following quantities $($in litres$)$ in a particular month. a$.$ Using Struges' Rule, convert the above data into a frequency distribution by inclusive method. b$.$ Then convert the Frequency distribution to exclusive one. c$.$ Mention the following: d$.$ Represent the exclusive type classification into a cumulative one. e$.$ Using the Exclusive Type Frequency Distribution Table, draw $($by using MS Excel$)$ and write the steps: i$.$ Histogram ii$.$ Frequency Polygon iii. Ogive by using both the less than table and more than table. f$.$ Find out Mode and Median graphically g$.$ Find out Mean, Median and Mode analytically $3.$ Prepare a blank table in which the following types of information can be shown properly: a$.$ Total number of workers by sex b$.$ Classification of male and female workers by skill: Skilled, semi$-$skilled and unskilled. c$.$ Classification of workers according to broad age groups: Below $40$ years and above $40$ years. $4.$ The following data show the number of hours worked by $200$ statistics students. Find i$.$ The class width ii$.$ The number of students working $19$ hours or less iii. The relative frequency of students working $9$ hours or less iv$.$ The cumulative relative frequency for the class of $1019$