the following frequency distribution table shows the marks obtained by hundred student mark 0 to 20, 20 to 40, 40 to 60, 60 to 80 ,80to 100 and their frequency are 6,x,46,x,8 value of x and draw a histogram
Answers
Histogram Attached of the marks obtained by 100 students.
Step-by-step explanation:
Total Students = 100
6 + x + 46 + x + 8 = 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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Histogram
Step-by-step explanation:
here , total number of students = 100
therefore adding up their frequency = total number of students
6+x+46+x+8 =100
2x + 60 = 100
2x= 100-60
2x= 40
x = 20
then the frequency list becomes 6,20,46,20, 8
then
0 - 20 6
20 - 40 20
40 - 60 46
60 - 80 20
80 -100 8
now, draw the historgram of the following data
#Learn more:
Calculate co. Efficient of correlation from the following data
X.0to 20. 20 to 40 40.to 60. 60.to 80 80to 100
Y. 350. 280. 540. 760. 900
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