Question

17. Case Study 1
200 m Race
A Rafree is standing on the side of the
athletic track and kept a stopwatch, which
is used to find the time that it took a group
of students to run 200 m.
In different time intervals, differen
number of students completed the race
are given in the table as shown below
0-50
50-100
100-150
150-200
Time In
(sec)
Number of
students
10
15
7
8
to
(a) Find the average time taken
complete 200 m race.
(i) 90.50 $ (n) 91.25 s
(m) 92 s
(iv) 93 s
(b) With the help of histogram, which
measurement can be determined.
(i) Mean
(ii) Mode
(in) Median (iv) None of these​

Answer 1

Answer:

mode osiskzkaka