A personal fitness produces both deluxe and standard model of smoothie blender for home use. Selling prices obtained from sample of retail outlets follow Excel File: datal0-27.xlsx Model Price ($) Model Price ($) Deluxe Standard Retail Outlet Deluxe Standard Retail Outlet 30 39 28 39 35 29 Round your answers to decimal places The manufacturer'$ suggested retail prices for the two models show 810 price differential. Use 0.05 level of significance and test that the mean difference between the prices of the two models is 810 Select vour answer b. What the 95 % confidence interval for the difference between the mean prices of the two models?
