commute time\nhow many students take less than 40 minutes to get to school?
commute time\nhow many students take less than 40 minutes to get to school?
Answer
Explanation:
Step1: Identify relevant intervals
We need to consider intervals 0 - 9, 10 - 19, 20 - 29, 30 - 39.
Step2: Sum up frequencies
The frequencies for 0 - 9 is 4, for 10 - 19 is 6, for 20 - 29 is 2, for 30 - 39 is 1. So the sum is $4 + 6+2 + 1$. $4+6 + 2+1=13$
Answer:
13