Question: Find the required linear model using least-squares regression.The following table shows the number of operating federal credit unions in a certain country for several years.

Find the required linear model using least-squares regression.The following table shows the number of operating federal credit unions in a certain country for several years.

Year	2011	2012	2013	2014	2015
Number of federal credit unions	4477	4307	4142	3962	3798

Year

2011

2012

2013

2014

2015

Number of federal credit unions

4477

4307

4142

3962

3798

(a) Find a linear model for these data with

x=11corresponding to the year 2011.

(b) Assuming the trend continues, estimate the number of federal credit unions in the year

2017.

a) the linea model for these data is y=( ) x+( )

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