Question

Q10) DO AS DIRECTED:

1. Following is the distribution of marks of 50 students

CLASSES No of students
0-10 5
10-20. 5
20-30 8
30-40. 7
40-50. 8
50-60 5
60-70 2
70-80. 3
80-90 3
90-100. 4

i. What is the lower limit of second class?

ii.What is the class-width of the above distribution?

iii. What is the upper limit of fourth class?

iv. Which group contains minimum number of students? ​

Answer 1

Answer:

i. 10

ii. 10

iii. 40

iv. 60-70