The marks out of 100 by obtained by a group of students in a science test are 95, 100 , 69, 99, 94, 37 , 72, 54, 91, and 71 . Find the (a) highest and lowest marks obtained by the students (b) range of the marks obtained (c) means marks obtained by the group
a) highest marks – 100
b) lowest marks – 37
c) range – (100-37) = 67
d) mean – 95+100+69+99+94+37+72+54+91+71/10 = 782/10 = 78.2
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