answer this please answer this plssssssss the value is not coming correctly
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mean =sum of observations /number of observations
15.45= 6+8+p+9+7/5
30+p/5 =15.45
30+p =15.45×5
30+p= 77.25
p=77.25-30
p=47.25 is answer obtained
15.45= 6+8+p+9+7/5
30+p/5 =15.45
30+p =15.45×5
30+p= 77.25
p=77.25-30
p=47.25 is answer obtained
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