Question

Draw Less than type Ogive' for the given distribution and find median age
of the student through graph.
Age of student (CI) 5-7 7-9 9-11 11-13 13 - 15 15-17| 17-19
No. of students (F) | 20 18 22 25 20 1 5 10
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Answer 1

Step-by-step explanation:

this is your answer mate

follow the given hints to find median through graph

Answer 2

Age of student (CI) 5-7 7-9 9-11 11-13 13 - 15 15-17| 17-19

No. of students (F) | 20 18 22 25 20 1 5 10

Less than type Ogive

Age of student        No. of student       CF                   Coordinates

less than 7                      20                    20                     (7, 20)

less than 9                      18                 20+18=38             (9, 38)

less than 11                      22                38+22=60            (11, 60)

less than 13                     25                60+25=85            (13, 85)

less than 15                     20                85+20=105           (15, 105)

less than 17                     15                 105+15=120           (17, 120)

less than 19                     10                 120+10=130           (19, 130)

N = 130

N/2 = 130/2 = 65

in the graph with y = 65, we have, x = 11.4.

Therefore, the median age of the student through graph is 11.4.