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# Determine the Least Squares Equation and Estimate

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The numbers of bank failures for the years 1997 through 2001 are given below. Determine the least squares equation and estimate the number of failures in 2003.

Year Code Number of Failures
1997 1 79
1998 2 120
1999 3 138
2000 4 184
2001 5 200

Q3
3. The following table gives the annual amount of scrap produced by Machine Products, Inc.
Determine the least squares trend equation. Estimate the amount of scrap for the year 2003.

Year Code scrap(tons)
1997 1 2.0
1998 2 4.0
1999 3 3.0
2000 4 5.0
2001 5 6.0

9. Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees. For the last three years he recorded the following number of employee absences, in days, for each quarter.
Determine a typical seasonal index for each of the four quarters.
Quarter
Year I II III IV
1999 4 10 7 3
2000 5 12 9 4
2001 6 16 12 4

Leave all answers in the same area as the example. easy to read please.

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