Question

Estimate the mean time taken by a student t o finish the race.
(154
(n) 63
(iii)43
(iv)50
What wiil be the upper limit of the modal class ?
(120
() 40
(iii) 60
(iv)80
The construction of cumulative frequency table is useful in determining the
c
Mean
(ii)Median
(ii)Mode
(iv)All of the above
(d)
The sum of lower limits of inedian class and modal class is
(1)60​

Answer 1

sorry, i can't understand, what is this?