Question: The heat loss L per hour through various thicknesses of a particular type of insulation was measured as shown in the table. Find the least-squares

The heat loss L per hour through various thicknesses of a particular type of insulation was measured as shown in the table. Find the least-squares line for L as a function of t using a calculator.

t (in.) 3.0 4.0 5.0 6.0 7.0 L (Btu) 5900 4800 3900

t (in.) 3.0 4.0 5.0 6.0 7.0 L (Btu) 5900 4800 3900 3100 2450

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