The weekly expenses (₹) 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. Which among the given options is the correct frequency table (with class intervals 60 - 70)?

$\begin{matrix} W e e k l y e x p e n s e s & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 5 90 - 100 & 3 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

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$\begin{matrix} W e e k l y e x p e n s e s & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 3 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

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$\begin{matrix} P o c k e t E x p e n s e & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 5 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

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$\begin{matrix} W e e k l y e x p e n s e s & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 5 90 - 100 & 5 100 - 110 & 7 110 - 120 & 4 \end{matrix}$

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Solution

The correct option is C
$\begin{matrix} P o c k e t E x p e n s e & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 5 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

Count the number of students in each class interval and form the table as shown below.

$\begin{matrix} W e e k l y e x p e n s e s & N u m b e r o f S t u d e n t s 60 - 70 & 6 70 - 80 & 5 80 - 90 & 7 90 - 100 & 5 100 - 110 & 3 110 - 120 & 4 \end{matrix}$

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The weekly expenses (₹) 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. Which among the given options is the correct frequency table?

Q. 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 (where 70 is not included), 70−80, 80−90, etc.

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]

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?

Q. The heights (in cm) of 30 students of class IX are given below:
155, 158, 154, 158, 160, 148, 149, 150, 153, 159, 161, 148, 157, 153, 157, 162, 159, 151, 154, 156, 152, 156, 160, 152, 147, 155, 163, 155, 157, 153

Prepare a frequency distribution table with 160-164 as one of the class intervals.

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The weekly expenses (₹) 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. Which among the given options is the correct frequency table (with class intervals 60 - 70)?

The correct option is C Pocket ExpenseNumber of Students60−70670−80580−90790−1005100−1103110−1204 Count the number of students in each class interval and form the table as shown below. Weekly expensesNumber of Students60−70670−80580−90790−1005100−1103110−1204