Question

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 following frequency table is the correct one?

• A.
  $\begin{array}{cc}\text{Pocket Expense}& \text{Number of Students}\\ 60-70& 6\\ 70-80& 5\\ 80-90& 7\\ 90-100& 5\\ 100-110& 3\\ 110-120& 4\end{array}$
• B. $\begin{array}{cc}\text{Pocket Expense}& \text{Number of Students}\\ 60-70& 6\\ 70-80& 6\\ 80-90& 7\\ 90-100& 4\\ 100-110& 3\\ 110-120& 3\end{array}$
• C. $\begin{array}{cc}\text{Pocket Expense}& \text{Number of Students}\\ 60-70& 1\\ 70-80& 5\\ 80-90& 7\\ 90-100& 5\\ 100-110& 8\\ 110-120& 4\end{array}$
• D. $\begin{array}{cc}\text{Pocket Expense}& \text{Number of Students}\\ 60-70& 6\\ 70-80& 3\\ 80-90& 7\\ 90-100& 5\\ 100-110& 5\\ 110-120& 4\end{array}$

Answer 1

The correct option is A

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

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