First arrange numbers
14,15,15,17,19,20,21,23,24
19 is median
15+15/2=15 is first quartile
Answer:
B
Step-by-step explanation:
5.8/ sqrt 80=0.648 I think you are asking for the standard margin
Hope this works
Answer:
Step-by-step explanation:



Set each factors equal to zero.


The x-int is

The first option is correct