Assignment:
Finding a Prediction Interval. In Exercises, refer to the pizza subway sample data from the Problem. Let x represent the cost of a slice of pizza and let y represent the corresponding subway fare. Use the given pizza cost and the given confidence level to construct a prediction interval estimate of the subway fare. (See Example 3 in this section.)
Table below in the Problem are listed below.
|
CPI
|
30.2
|
48.3
|
112.3
|
162.2
|
191.9
|
197.8
|
|
Subway Fare
|
0.15
|
0.35
|
1
|
1.35
|
1.5
|
2
|
1. Cost of a slice of pizza: $2.10; 99% confidence
2. Cost of a slice of pizza: $2.10; 90% confidence
3. Cost of a slice of pizza: $0.50; 95% confidence
4. Cost of a slice of pizza: $0.75; 99% confidence