In a multiple regression based on 30 observations,the following information is provided: 
with se = 16.Also,when 
,and 
.
A)Construct a 90% confidence interval for E(y)if 
,and 
.
B)Construct a 90% prediction interval for y if 
,and 
.
C)Which interval is narrower? Explain.
Definitions:
Imported Shoes
Footwear that is brought into a country from another to be sold, often reflecting the global trade dynamics and consumer preferences.
Domestic Production
The total value of all goods and services produced within a country's borders in a given time period.
Production Costs
The expenses incurred in the process of creating goods or services, including labor, materials, and overheads.
Equilibrium Price
The rate at which the quantity of goods on offer is equal to the quantity of goods consumers are willing to buy.
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