Question 410:

Asked on September 24, 2008

Tags: 2-sample t-test

You take a random sample of pizzas sold during a one hour period over the next week. Group 1 and Group 2 The results are shown in the table to the at the bottom of this. Does the ad campaign make a difference? Can you suggest a different methodology to test whether the ad campaign is effective?
Set up a model to test whether there are differences in mean satisfaction between groups. Use an alpha of .05

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

Be sure to fully explain your conclusion. Please answer. Thanks


Pizza Sales
"Group 1
Pepperoni Mushroom Olive Slices sold with expensive ad campaign and promotion
" "Group 2
Hawaiian Slices sold without expensive ad campaign and promotion
"#1 Group 2
20 18
24 23
24 22
24 19
23 18
23 18
22 18
20 16
19 15
16 14

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