Katherine Tan's answer to Tani's Secondary 2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Katherine Tan
Katherine Tan's answer
6 answers (Tutor Details)
1st
The number of people in the study is the number of data you have collected! Hence, you count how many data is collected by counting how many numbers are in the leaf which is 22 :)