The weekly pocket expenses (in rupees) of 30 students of a class are given below: 62 ,80 ,110 , 75 , 84 , 73 , 60 , 62, 100 , 87 , 78 , 94 ,117, 86, 65, 68, 90, 80,118 ,72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115. Then which of the below frequency table is correct one?

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Solution

$\begin{matrix} Pocket Expense & Number of Students 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 5 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

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Q. The weekly pocket expenses (in rupees) of 30 students of a class are given below:
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The weekly pocket expenses (in rupees) of 30 students of a class are given below: 62 ,80 ,110 , 75 , 84 , 73 , 60 , 62, 100 , 87 , 78 , 94 ,117, 86, 65, 68, 90, 80,118 ,72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115. Construct a frequency table with class intervals 60 - 70 and so on. [3 MARKS]

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The weekly pocket expenses (in rupees) of 30 students of a class are given below: 62 ,80 ,110 , 75 , 84 , 73 , 60 , 62, 100 , 87 , 78 , 94 ,117, 86, 65, 68, 90, 80,118 ,72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115. Then which of the below frequency table is correct one?

Pocket ExpenseNumber of Students60−70670−80580−90790−1005100−1103110−1204

$\begin{matrix} Pocket Expense & Number of Students 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 5 100 - 110 & 3 110 - 120 & 4 \end{matrix}$