Answer:
Descriptive statistics
Explanation:
The population average is a descriptive statistic. It informs about how the population looks like, in this case, the population looks like having a average of 1000.
If, using her class's average where to infer the population average that is inferential statistic. But that is not the case
same thing as:

there are two 8's and two x's in there so they can come out to give you the
answer 8x
There are two sides (heads and tails). So one head would be 1/2, and one tail would also be 1/2.
Answer:
Sorry I am a little confused about the answer
Answer:
y=8/7x+5
Step-by-step explanation:
y=mx+b but m is your slope and b is your y intercept.