GCE Mathematics 2022 Objective — Question 38

Question 38 of 50 from the General Certificate of Education (GCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

The ages (years) of some members of a singing group are: 12, 47, 49, 15, 43, 41, 43, 39, 43, 41 and 36. Find the lower quartile.

A. 12
B. 13
C. 15Correct
D. 20

Explanation

Arranged in ascending order: 12,13,15,36,39,41,41,43,43,43,47,49. Lower quartile position = 1/4(n+1)th value; with the data as given, the lower quartile works out to 15.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2022 Objective More Mathematics past papers