Answer:
1. mean
2. population
3. statistics
4. survey
5. mode
6. standard deviation
7. random
8. interquartile range
9. median
10. census
Step-by-step explanation:
Answer:
1:3
n=3
Step-by-step explanation:
1 hour = 60 minutes
20:60
20÷20=1
60÷20=3
1:3
2 min and 7 sec plus 12= 2 min and 19 sec. Add 8 to the number 19, equals 26. It took Juan 2 min and 26 sec to finish.