Shelf height may affect the volume of sales for a product. In order to determine

Question

Shelf height may affect the volume of sales for a product. In order to determine whether or not there is any effect on average sales due to product shelf height, a marketing consultant chooses four typical outlets, a supermarket, a drug store, a discount store, and a variety store, and for one week places the product chosen at one eye level. A resting week follows and the product is moved to another height and so on for three different heights. The number of units sold per week at each location and height are shown below followed by their analysis. What is the average number of units sold in a supermarket (rounded to the nearest thousandth)? a) 12.333 b) 48.250 c)59.667 d) 60.917 What is the average number of units sold from a shelf level below (rounded to the nearest thousandth)? a) 12.333 b) 48.250 c)59.667 d) 60.917 What is s^2_r (rounded to the thousandths place)? a) 2.111 b) 8.333 c) 10.333 d) 12.333 To test whether there are any differences across types of stores, what test statistic would you use(rounded to the nearest thousandth)? a) 4.757 b) 5.143 c)17.526 d) 57.092 To test whether there are any differences across shelf levels, what critical bound would you use at the 95% level (rounded to the nearest thousandth)? a) 4.757 b) 5.143 c) 17.526 d) 57.092

Explanation / Answer

Q14) Option C is Correct. It is 59.667 , check the average of Supermarket

Q15) Option B is Correct. It is 48.250. chethe average of below

Q16) Option A is correct. It is 2.111. Check the MS of Error in Annova

Q17) option D is correct. It is 57.092. check the F Statistic of the Row

Q18) Option B is correct

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