





 
Grouped Data

1. The information regarding the no of children per family is given in the following table. Find the mean, median, mode of the data
No of children  0  1  2  3  4  5  No of families  3  20  15  8  3  1 
HINT: For input For this type of example select X & Frequency Option, Input the values like
2. The frequency distribution of the marks obtained by 100 tudents in a test of Mathematics carrying 50 marks is given below. Find the mean, median, mode of the data.
Marks obtained  0  9  10  19  20  29  30  39  40  49  No of students  8  15  20  45  12 
HINT: For input For this type of example select Class & Frequency Option, Input the values like
Class  Frequency  0  9  8  10  19  15  20  29  20  30  39  45  40  49  12 





