Growth of Credit Unions Credit union membership is on the rise. The following table gives the number (in millions) of credit union members from 2003 through 2011 in 2-year intervals. Year 2003 2005 2007| 2009 2011 Number, y 80.0 83.1 83.6 87.2 90.6 (a) Letting x = 0 denote 2003, find an equation of the least-squares line y for these data. y = (h) Assuming that the trend continued, estimate the number of credit union members in 2015 (Y - 6)

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Growth of Credit Unions Credit union membership is on the rise. The following table gives the number (in millions) of credit union members from 2003 through 2011 in 2-year intervals.
Year
2003
2005
2007
2009
2011
Number, y
80.0
83.1
83.6
87.2
90.6
(a) Letting x = 0 denote 2003, find an equation of the least-squares line y for these data.
y =
(b) Assuming that the trend continued, estimate the number of credit union members in 2015 (x = 6).
million people
Transcribed Image Text:Growth of Credit Unions Credit union membership is on the rise. The following table gives the number (in millions) of credit union members from 2003 through 2011 in 2-year intervals. Year 2003 2005 2007 2009 2011 Number, y 80.0 83.1 83.6 87.2 90.6 (a) Letting x = 0 denote 2003, find an equation of the least-squares line y for these data. y = (b) Assuming that the trend continued, estimate the number of credit union members in 2015 (x = 6). million people
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