As it says, the second one even it surveys fewer gamers, but their yearly income is verified, which are accurate, unlike the first one, where the gamers only report their income, which is not 100% true. some people may fake the number. therefore, the second one is more accurate and believable.
For this case we have the following subtraction:

We can rewrite the subtraction in an easier way.
We have then:

Then, by doing associative property we have:

Answer:
The value of the subtraction is given by:

Answer: proly like 2
Step-by-step explanation:
Because you have to pay and scan!
Answer:
Step-by-step explanation:
A
According to the exercise we can say that the explanatory variable will be hours / weeks of study.
The response variable is GPA.
B
We definitely found that between the variables there is a weak or fragile relationship, neither negative nor positive nor linear.
C)
1.Observational study, since we observe that the only variables that will influence the results of the study are the observations of the students
2.No. This study is observational and its characteristics are not sufficient to conclude that studying more hours leads to obtaining a higher GPA.
Becasue the data may be skewed right or left (not symmetrical)
that is obvious when the median lean to left or right while the maximum and minimum records are still as they are.
<span />