A producer of outdoor clothing used a focus group to obtain information about the demand for fleece jackets with? built-in battery operated warming panels. At prices of?$100, $90,? $80, $70,? $60, and? $50, the focus group demanded? 23, 31,? 40, 44,? 48, and 60? jackets, respectively.
Use the Excel trendline option to estimate a linear demand function and to determine the associated Upper R squared R2 statistic.
What is the linear demand function?