find the average height of 15 student is calculate as 75 but later it was found that the height of 1 student wrongly entered as 35 instead of 38 and another as 46 instead of 63 the correct average is?
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76.33 is the correct average
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ANSWER:76
{(15*75)-(35+46)+(38+63)} / 15 = (1125 - 81+ 101) / 15
= 1145/15
= 76.33
= 76
{(15*75)-(35+46)+(38+63)} / 15 = (1125 - 81+ 101) / 15
= 1145/15
= 76.33
= 76
wilcypsam:
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