Answer:
85
Step-by-step explanation:
Write the numbers in order
66, 72, 74, 80, 83, 87, 91, 95, 98, 99
Find the middle number
83 and 87 are in the middle, so find the mean of them. 83+87= 170
170/2 = 85.
29 homework problems
Addition Property was used
15+5=20+9=29
Addition
D) All three have the same correlation coefficient.
Me puedes informar mas?