Mean of 8 numbers is 162if 5is added to each number.what will be the mean
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if any number is added to all the eight numbers, the mean increases by that amount.
new mean will be 162+5 =167
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Mean of 8 numbers is 162
Sum = 162 times 8
After adding 5 to all, sum = 162×8 +5×8 = (162+5)8 = 167×8
Mean = sum / total no
= 167×8/8 = 167
hence ans is 167
hannathjazz:
You are wrong
Are you sure the mean is 162?
like anyways mean is increased by 5
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