The Shipbuilders Council of America in Washington, D.C., publishes data about private shipyards. Among the variables reported by this organization are the employment figures (per 1000), the number of naval vessels under construction, and the number of repairs or conversions done to commercial ships (in $ millions). Shown here are the data for these three variables over a seven-year period. Use the data to develop a regression model to predict private shipyard employment from number of naval vessels under construction and repairs or conversions of commercial ships.

Comment on the regression model and its strengths and itsweaknesses.

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Commercial Ship Repairs or Employme Naval Vessels Conversions 108 431 1335 1419 1631 852 847 806 133.4 105 143.0 142.0 130.3 120.6 120.4 100 85 79