Question

Estimate the mean time taken by a student to finish the race.

(i)54

(ii)63

(iii)43

(iv)50​

Answer 1

Answer:

the answer is 43 because forty three is lesser then all

Answer 2

Answer:

3.)43

Step-by-step explanation:

Summation of fixi = 1720

Summation of fi = 40

Mean of x = summation of fixi / summation of fi

= 1720/40

= 43

Because 43 is the exact mean of the data, it is also recognized as estimated one.