Question

If the mean weight of 5 students is 65 kg, then find the
total weight of 5 students.​

Answer 1

Answer:

according to question :-

mean = sum of observation / no. of observation

65 = sum / 5

65*5 = sum

325 kg = sum

so total weight of 5 students = 325 kg

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Answer 2

Step-by-step explanation:

let the five members weight be x1,x2,x3,x4,x5

given there mean is 65kg

then,

[ (x1)+(x2)+(x3)+(x4)+(x5) ] / 5=65

[ (x1)+(x2)+(x3)+(x4)+(x5) ]=65(5)=325kg

the total weight of 5 students is 325 kg