Is there a relationship between weekly sales revenue ($000) of a coffee shop and the size of the coffee shop (square metres), the number of chairs in the coffee shop and the number of hours, per week, a competitor coffee shop is open? A random sample of coffee shops was selected, data collected on these variables and EXCEL then used to create a regression. Part of the regression output is provided here: Which of the following is the correct statement, when testing the coefficients of the independent variables, at a of 0.05 ? None of these choices is correct. The coefficients of Size and Hours are each significantly different to zero. None of the coefficients are significantly different to zero. Only the coefficient of Chairs is significantly different to zero. The coefficients of Size, Chairs and Hours are significantly different to zero