You need to simplify it first.

Use distribution

y=mx+b
m=slope
your slope is -4 :)
To find your answer you must add them all together :
17,689
1,614
+ 176
_________
19,479
Answer: 0.11
Step-by-step explanation: (2/3) / 6 = 0.11
Yes it describes only a parameter because <span>a numerical characteristic of a population, as distinct from a statistic of a sample was use. only 35 out of the 1200 accountants salary was used in calculating an average salary. it will be real if use all the number of accountant in calculating the average salary</span>