CBSE Class 10 Maths (Standard) 2022 · Paper 30/4/1 · Question 13

Statistics 4 marks Medium

Yoga is an ancient practice which is a form of meditation and exercise. By practising yoga, we not even make our body healthy but also achieve inner peace and calmness. The International Yoga Day is celebrated on 21st of June every year since 2015. To promote Yoga, Green park society in Pune organised a 7-day Yoga camp in their society. The number of people of different age groups who enrolled for this camp is given as follows. Based on the above, find the following.

Number of people of different age groups enrolled for the Yoga camp
Age Group	15 - 25	25 - 35	35 - 45	45 - 55	55 - 65	65 - 75	75 - 85
Number of People	8	10	15	25	40	24	18

aFind the median age of people enrolled for the camp.[2]
bIf $x$ more people of age group 65-75 had enrolled for the camp, the mean age would have been 58. Find the value of $x$ .[2]

Answer

(a) Median age

= 58

years. (b)

x = 24

people (from

12 x = 290

, rounded to a whole number).

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CBSE Class 10 Maths (Standard) 2022 · Paper 30/4/1 · Question 13

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