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anonymous
 one year ago
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 yintercept and what is its significance?
e. According to the model
anonymous
 one year ago
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 yintercept and what is its significance? e. According to the model

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