the average height of 10 students was found to be 160. when one more student joined the group, the average height become 161. what is the newly joined students height?
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Answered by
1
169÷10
=16.9
the height of 1 child
=16.9
the height of 1 child
nandu95:
no
Answered by
4
Average = Sum / Total Observations
=> Sum = Average * Total Observations
= 160 * 10 = 1600
Let the height of the new student be x cm.
161 = x + 1600 / 11
=> x + 1600 = 161 * 11 = 1771
=> x = 1771 - 1600 = 171 cm
So, the height of the new student is 171 cm.
Hope you like it.... Please mark it as brainliest!!!
=> Sum = Average * Total Observations
= 160 * 10 = 1600
Let the height of the new student be x cm.
161 = x + 1600 / 11
=> x + 1600 = 161 * 11 = 1771
=> x = 1771 - 1600 = 171 cm
So, the height of the new student is 171 cm.
Hope you like it.... Please mark it as brainliest!!!
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