find themean of first 10 multiple of 7
Answers
Answered by
35
7+14+....+70/10
=385/10
=38.5
=385/10
=38.5
Answered by
38
First 10 multiples of 7 are :7, 14, 21, 28, 35, 42, 49, 56, 63, 70
Mean = sum of all observation divided by number of observation
Sum of observation = 7+14+ 21+28+35+42+ 49+56+ 63+70 = 385
No of observation = 385 = 385 divided by 10 = 38.5
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Mean = sum of all observation divided by number of observation
Sum of observation = 7+14+ 21+28+35+42+ 49+56+ 63+70 = 385
No of observation = 385 = 385 divided by 10 = 38.5
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shizashaheem:
Mistake number of observation = 10 not 385
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