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A Study Was Conducted to Test the Effectiveness of Supermarket

question 2

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A study was conducted to test the effectiveness of supermarket sales strategies. At one supermarket, the price level (regular, reduced price, and at cost to supermarket) and display level (normal display space, normal display space plus end-of-aisle display, and twice the normal display space) were tested to determine if they had any effect on the weekly sales of a particular supermarket product. Each of the combinations of price level and display level were put in place for a randomly selected week and the weekly sales of the product was recorded. Each combination was used three times over the course of the experiment. The results of the study are shown here: $A study was conducted to test the effectiveness of supermarket sales strategies. At one supermarket, the price level (regular, reduced price, and at cost to supermarket) and display level (normal display space, normal display space plus end-of-aisle display, and twice the normal display space) were tested to determine if they had any effect on the weekly sales of a particular supermarket product. Each of the combinations of price level and display level were put in place for a randomly selected week and the weekly sales of the product was recorded. Each combination was used three times over the course of the experiment. The results of the study are shown here: \begin{array}{l} \text { The ANOVA table is shown below: }\\\\ \begin{array} { l | c | c | c | c | c } \text { Source } & \text { DF } & \text { SS } & \text { MS } & \text { F } & \text { P } \\ \hline \text { Display } & 2 & 1691393 & 845696 & 1709.37 & 0.0000 \\ \text { Price } & 2 & 3089054 & 154427 & 3121.89 & 0.0000 \\ \text { Display } { } ^ { * } \text { Price } & 4 & 510705 & 127676 & 258.07 & 0.0000 \\ \text { Error } & 18 & 8905 & 495 & & \\ \text { Total } & 26 & 5300057 & & & \end{array} \end{array} Which of the following tests should be conducted first? A) A test of the interaction between Price and Display. B) A test of the Price Main Effect. C) A test of the Display Main Effect. D) A test of the Weekly Sales Main Effect.$
$\begin{array}{l}\text { The ANOVA table is shown below: }\\\\\begin{array} { l | c | c | c | c | c } \text { Source } & \text { DF } & \text { SS } & \text { MS } & \text { F } & \text { P } \\\hline \text { Display } & 2 & 1691393 & 845696 & 1709.37 & 0.0000 \\\text { Price } & 2 & 3089054 & 154427 & 3121.89 & 0.0000 \\\text { Display } { } ^ { * } \text { Price } & 4 & 510705 & 127676 & 258.07 & 0.0000 \\\text { Error } & 18 & 8905 & 495 & & \\\text { Total } & 26 & 5300057 & & &\end{array}\end{array}$ Which of the following tests should be conducted first?

Definitions:

Capacity Utilization Rate

The percentage of an industry or economy's total potential output that is actually being realized at a given time.

Great Recession

A significant global economic downturn that took place approximately from 2007 to 2009, deeply affecting the world economy.

Capacity Utilization Rate

The capacity utilization rate measures the proportion of potential economic output that is actually realized, displayed as a percentage.

Great Recession

The period of global economic decline observed during the late 2000s, considered the most significant downturn since the Great Depression.