Complete Question
The complete question is shown on the first uploaded image
Answer:
The null hypothesis is
The alternative hypothesis is
Step-by-step explanation:
From the question we are told that
The number observations is
The annual salary (in dollars) is y
The mean score on teaching evaluation is x
The the relationship between the y and x is
Where is the mean of the equation so
The null hypothesis is
The alternative hypothesis is
The Quotient would be 1012 so I would just put 1000 if your supposed to estimate.
I took a picture on my calculator of what the graph should look like.
Answer:
x = -1, PR = 38.
Step-by-step explanation:
As Q is the midpoint of PR
PQ = QR
6x + 25 = 16 - 3x
9x = -9
x = -1.
PR
= 6x + 25 + 16 - 3x
= 6(-1) + 25 + 16 - 3(-1)
= -6 + 25 + 16 + 3
= 38.