(Solution) - The numbers of calories in slices of stuffed crust pizza and -(2025 Original AI-Free Solution)

Paper Details

The numbers of calories in slices of stuffed-crust pizza and Thin ?N Crispy pizza are shown in Table 29 for various types of pizza at Pizza Hut. For each type of pizza, the difference in calories for stuffed-crust and Thin ?N Crispy slices is also shown.

a. StatCrunch can be used to find the information shown in Fig. 78. Compare the mean of the stuffed-crust data and the mean of the Thin ?N Crispy data. Referring to your knowledge of pizza, explain why your comparison makes sense.
b. Subtract the mean of the Thin ?N Crispy data from the mean of the stuffed-crust data. Round your result to the first decimal place. Compare the result and the mean (rounded to the first decimal place) of the paired differences. By referring to how the means are calculated, explain why this makes sense.
c. Subtract the standard deviation of the Thin ?N Crispy data from the standard deviation of the stuffed-crust data. Round your result to the first decimal place. Compare the result and the standard deviation (rounded to the first decimal place) of the paired differences.
d. Compare the standard deviation of the paired differences and the standard deviation of the stuffed-crust data. Also compare the standard deviation of the paired differences and the standard deviation of the Thin ?N Crispy data. On the basis of both comparisons, if someone is trying to lose weight, which is more important: deciding between stuffed-crust pizza and Thin ?N Crispy pizza or deciding which toppings to order?