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. Is price statistically significantly different from zero at the 0.05 level of? significance? ?(Hint?:Use? Excel's LINEST tool? or, if you have the? Window's version, the regression? tool.)
What is the price? coefficient's standard error?
What is the t-statistic?