Question

THE MARKS OUT OF 100 OBTAINED BY A GROUP OF STUDENTS IN A SCIENCE TEST ARE 85,76,90,85,39,48,56,95,81

FIND THE AVERAGE(MEAN) MARKS OBTAINED
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Answer 1

Answer:

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Step-by-step explanation:

mean marks = total marks / no. of student

= 85 + 76 + 90 + 85 + 39 + 48 + 56 + 95 + 81 / 9

= 655  / 9

= 72.778