Question

the mean of following score 10 15 12 15 15
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Answer 1

Sum of Observations = 10 + 15 + 12 + 15 + 15 = 77

No. of Observations = 5

Mean = 77 / 5 = 15.4

Answer 2

HEY....✌

MEAN = 10+15+12+15+15/5

=67/5

=13.4

YOUR ANSWER IS 13.4

HOPE IT HELPS.....☺