Heights of 100 students of class X of a school are given below:
Heights in cm 145 150 155 160 165
Number of Students 5 20 40 30 5
(i) What percent of the students have their heights more than 155 cm?
(ii) How many students have their heights less than 160 cm?
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Answer:
(i) 40%
(ii) 65
Step-by-step explanation:
(i) no.of student/total no.of student*100
40/100*100=40%
(ii)sum of all student less than height 160
=5+20+60=65
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