Question

....... Chapter Check-Up.......
1 If the weights of 5 students are given as 38 kg, 41 kg, 36 kg, 39 kg, and 41 kg, find the mean of the
given data
2 Find the median in the following array.
7, 9, 11, 13, 15, 17, 19
3 The ages of 9 students are given as 13.5, 14.5, 14, 14, 14.5, 14, 13.5, 14, and 13.5. Find the mode.
4 The given data represents the numbers of graduates in 40 apartments in a housing complex. Arrange
the given data in ascending order and find the mean and median.
2 3 0 2 2 1 1 3 1 2
3 2 4
3 2 3 3 2 4
3 5 2
4 1 2 1
0 2
2 3 1 &
5 40 students in a school were asked to rate their favourite sport by ticking any one of these choices.
Cricket a
Football b
Hockey C
Any other d
The data collected in the survey is as follows:
a d b b c à b b à d.
a b a a b c d a a a b
b b c c a b c b b a
а а а c d d а а а с
​

Answer 1

1. Mean = 38+41+36+39+41/5

= 39 kg

2. Median = 13 (mid value of ascending order)

3.Mode = 14 (value occur repeatedly)