Question

1. Among the group of students 10% scored marks below 20, 20% scored
marks between 20 and 40, 35% scored marks between 40 and 60,20%
scored marks between 60 and 80 and the remaining 30 students scored
marks between 80 and 100.
Prepare frequency distribution table from the above in formation and
draw a histogram.​

Answer 1

Answer:

HISTOGRAM & frequency distribution table  for number of students scoring Marks

Step-by-step explanation:

Marks    Students %     Students

0-20       10%                 20

20-40     20%                40

40-60     35%                70

60-80     20%                40

80-100    15%                 30

              100%             200

A histogram is an accurate representation of the distribution of numerical data.

a graphical display of data using bars of different heights. It is similar to a Bar Chart, but a histogram groups numbers into ranges . The height of each bar shows how many fall into each range.

Answer 2

Answer:

Among the group of students, 10% scored marks below 20, 20% scored between 20 and 40,35% scored between 40 and 60, 20% scored between 60 and 80. The remaining 30 students scored marks between 80 and 100