The mean weight of five students is 51 kg and the mean weight of four students is 54kg . The mean weight of nine students will be
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Answered by
25
weight of 5 students=255kg
weight of 4 students=216kg
total weight of 9 students=471kg
weight of 4 students=216kg
total weight of 9 students=471kg
mysticd:
What is mean weight of 9
Answered by
97
Mean weight of 5 students = 51 kg
Their total weight = 51 * 5 = 255
Mean weight of next 4 students = 54 kg
Their total weight = 216 kg
Therefore, Total weight of all 9 students
= 255 + 216
= 471 kg
Mean
= sum of observations / their number
= 471 / 9
= 52.33 ( approximately)
This may help you
Their total weight = 51 * 5 = 255
Mean weight of next 4 students = 54 kg
Their total weight = 216 kg
Therefore, Total weight of all 9 students
= 255 + 216
= 471 kg
Mean
= sum of observations / their number
= 471 / 9
= 52.33 ( approximately)
This may help you
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