Alex puts his spare change in a jar every night. If he has $11.09 at the end of January, $22.27 at the end of February, $44.35 in April, $75.82 in July, $89 in August, and $114.76 at the end of October, perform a linear regression on this data to complete the following items. 1. What does the value of the correlation coefficient tell you about the correlation of the data?

2. Write the equation of the best-fitting line.

3. On average how much money does Alex add to the jar each month?

4. Alex wants to buy a video game console at the end of December for $140. Will he have enough for this purchase. Show equation.