Question

1) The following frequency distribution table shows the marks obtained by 100
students.
Marks Number of Students
0 - 20 6
20-40 x
40-60 46
60-80 x 80-100 8 Find the value of x and draw a histogram.​

Answer 1

x = 20 and histogram attached

Step-by-step explanation:

6 + x + 46  + x  +  8  = 100

=> 2x + 60  = 100

=> 2x = 40

=> x = 20

0 - 20       6

20-40      20

40 - 60    46

60 - 80     20

80 - 100    8

Histogram: a graphical display of data using bars of different heights. It is similar to a Bar Chart, but a histogram groups numbers into ranges

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