Firstly, subtract 9 on both sides: 
Next, add 0.5 on both sides: 
Next, divide both sides by 4 and <u>your answer will be 
</u>
Answer:
hhhhh
Step-by-step explanation:
Answer:
Y=MX+B
Step-by-step explanation:
put -1 on the y axis then go up 4 (3) after that go over 1 to the right since it's positive
Answer:
C) independent variable = age
dependent variable = reaction time in milliseconds
Step-by-step explanation:
The linear regression statistical test is best used for research experiment where there is a single dependent and one independent variable whjre both variables are numeric. In the given options above, the city of residence, gender, college major and political affiliation are all possible categorical variables and age, salary, miles driven and reaction time are all numerical variables. Hence, the best situation in which to use linear regression is a test where both the independent and dependent variables are either age, salary, reaction time or miles driven.
