Question

TOPIC: DATA
1. Find the median of the first nine even natural numbers.
2. The marks in Mathematics for the 12 students are as follows:
31,37,35,38,42,23,17,18,35,25,35,29
Find the (i) Range (ii) Mean (iii) Mode
3. Find the mode of the given data.
10,8,4,7,8,11,15,8,4,2,3,6,8
4. The number of absentees in class 7 was recorded in a particular week. Represent this data
on the bar graph.
Mon
Tue
Wed Thu Fri
Sat
Days
Number of
Absentees
130
120
135
130 | 150 | 80
(1) On which day the maximum and minimum students were absent?
(ii) How many students were absent on Wednesday and Friday?
(iii) On which days the same number of students were absent?​

Answer 1

Answer:

Arranging in ascending order :

6, 8, 9, 12, 13, 15, 18, 20, 21, 25

Since number of observations is even, the median is given

by finding the average or mean of the two middle most

observations:

So, median = 13+15

2

=

28

2

= 14

Step-by-step explanation:

do it like these and put your own value