The shirt sizes worn by a group of 200 persons, who bought the shirt from a store, are as follows: Shirt size:             37    38    39    40     41    42    43    44 No. of persons:     15    25   39     41     36    17    15    12 Find the model shirt size worn by the group.

The shirt size worn by a group of 200 persons who bought the shirt from a store, are as follows: If a person is chosen randomly then Probability that the person bought shirt of size 39 is

The shirt size worn by a group of 200 persons who bought the shirt from a store, are as follows: If a person is chosen randomly then Probability that the person bought shirt of size less than 40 is

The shirt size worn by a group of 200 persons who bought the shirt from a store, are as follows: If a person is chosen randomly then Probability that the person bought shirt of size greater than 40 is

The demand of different shirt sizes,as obtained by a survey,is given below: Size:,3839,40,41,42,43,44, total No.of Person (wearing it): 26,39,20,15,13,7,5,125 Find the modal shirt sizes,as observed from the survey.

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?

A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows: 2.6 3.0 3.7 3.2 2.2 4.1 3.5 4.5 3.5 2.3 3.2 3.4 3.8 3.2 4.6 3.7 2.5 4.4 3.4 3.3 2.9 3.0 4.3 2.8 3.5 3.2 3.9 3.2 3.2 3.1 3.7 3.4 4.6 3.8 3.2 2.6 3.5 4.2 2.9 3.6 Construct a grouped frequency distribution table for this data, using class intervals of size 0.5 starting from the interval 2 - 2.5.