Q9 of 35 Page 195

Let us write the frequency density of the last class of the question (c).

class size of class = (upper limit + 0.5) - (lower limit - 0.5)

= (89 + 0.5) - (85 - 0.5)


= 89.5 - 84.5 = 5


Frequency density of class



So frequency density of the last class = 1.6


More from this chapter

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9

In a continuous frequency distribution table, if the mid - point of a class is 42 and class size is 10, then let us write the upper and lower limit of the class.

 9


Let us write the frequency density of the first class of the above frequency distribution table.

 9

Let us write from the following examples which one indicates attribute and which one indicates variable.

(i) Population of the family.


(ii) Daily temperature.


(iii)Educational value.


(iv)Monthly income.


(v) Grade obtained in Madhyamik Examination.

 1

I write below in lobular form the daily profit of the 50 shops of the village Bakultala.


I draw the histogram for the above data.