The mean weight of 10 students are 45 kg But later it was found that actual
of each student was 2 kg less. Find the correct mean weight of the students
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Answer:
Total weight of 24 students =24×35=840kg
Total weight of 25 persons with teacher =25×35.4=885kg.
∴ Weight of teacher =(885−840)kg=45kg.
Answered by
0
Answer:
the answer is 43
Step-by-step explanation:
mean =sum of all observations/no. of observations
45=n/10
n=45×10
n=450
2kgs less for 10 students
then 2×10=20
450-20=430
mean =430/10=43
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