Answer:
-21/4 + 3s/4
Step-by-step explanation:
Answer: 50089
Step-by-step explanation:
Answer:
Call the numbers a, b, c, d. What does it say if their mean is 15? That would be that added together then divided by 4 you get 15. So the number before you divided by 4, which is the sum, was 60. If you know some algebra, the equation (a+b+c+d)/4=15 gives the sum of 60 when you multiply both sides
A is correct due to the smaller interquartile range
