Question

1. At a certain company, the human resources department surveyed employee satisfaction. They collected the following data.

Answer 1

Answer:

Question (a)

The relationship between satisfaction score and salary is a positive one. The graph shows a positive correlation. It means, the higher the salary, the higher the satisfaction score

Question (b)

We will substitute the value of  into the equation 

Question (c)

The constant 0.0005 is the increase of satisfactory score by 0.0005 for every pound increase in the salary

Answer 2

Question (a)
The relationship between satisfaction score and salary is a positive one. The graph shows a positive correlation. It means, the higher the salary, the higher the satisfaction score

Question (b)
We will substitute the value of $x=65000$ into the equation $y=0.0005x+60 = 0.0005(65000)+60=92.5$

Question (c)
The constant 0.0005 is the increase of satisfactory score by 0.0005 for every pound increase in the salary