The Secured marks in mathematics of 20 students of your class are 30,40,35,50,60,70,65,75,60,30,40,80,75,90,100,95,90,80. (a) Find the arithmetic mean. (b)Find the median and mode.
Please Answer me Quickly
Answers
Answered by
0
Step-by-step explanation:
Marks of 15 students in their Economics paper are:
6, 9, 10, 12, 18, 19, 23, 23, 24, 28, 37, 48, 49, 53, 60
Find the median marks.
ANSWER:
S. No. Marks
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 6
9
10
12
18
19
23
23
24
28
37
48
49
53
60
N = 15
Median = size of (
N+1
2
)th item
or, M = size of (
15+1
2
)th item
or, M = size of 8th item
⇒ M = 23
Therefore, the median marks in the economics paper is 23.
Similar questions