Find the range from the marks obtained by 10 students in a class.
95, 67 , 28 , 32 , 65 , 65 , 69 , 33 , 98 , 96
30
50
70
100
Range = highest observation – lowest observation
98-28=70
Marks obtained by students out of 20 in a class test are written on the board. What is the range of the marks?
12 ,14 , (-1), (-6), 15, 0, 8, 2. [2 MARKS]
The following table shows the marks obtained by 6 students in a class. Find the average marks of the students in the class.
MarksFrequency782651852741