the marks obtained a group of student in a science test are
85,76;90,85,39;48;56 and 75 find the• Range of marks obtained
Mean marks obtained by the group
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Answer:
Range of marks obtained=56
Mean marks obtained by the group=73
Step-by-step explanation:
RANGE OF MARKS OBTAINED=Highest marks-Lowest marks
=90-39
=51
MEAN MARKS OBTAINED BY THE GROUP
Mean marks = Total marks/number of students
=85+76+90+85+39+48+56+75/8
=554/8
=69.25
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