1. The table shows the number of people in Europe who use email as a part of their jobs.

European Business Email Users
Year Email Users
(million user)

2005 162.6
2006 179.8
2007 196.5
2008 212.8
2009 228.6
2010 244.1

a. Find a linear function (using linear regression) that models the number of email users as a function of year since 2005. Round all numbers to two decimal places.
b. Draw a scatterplot of the data and graph the linear function.
c. What is the slope and what is its significance?
d. What is the y-intercept and what is its significance?
e. According to the model

Question

1.	The table shows the number of people in Europe who use email as a part of their jobs.

European Business Email Users
Year	Email Users
(million user)

2005	162.6
2006	179.8
2007	196.5
2008	212.8
2009	228.6
2010	244.1

a.	Find a linear function (using linear regression) that models the number of email users as a function of year since 2005. Round all numbers to two decimal places.
b.	Draw a scatterplot of the data and graph the linear function.
c.	What is the slope and what is its significance?
d.	What is the y-intercept and what is its significance?
e.	According to the model