The following summarizes the average price of Air Canada stock at the end of 20 randomly selected weeks in 2000. Determine a 90% confidence interval for the average Air Canada stock price in 2000.
A) [16.44, 18.36]
B) [14.90, 19.87]
C) [17.48, 19.40]
D) [16.43, 18.35]
E) Unable to determine from the information given

Question

The following summarizes the average price of Air Canada stock at the end of 20 randomly selected weeks in 2000.  Determine a 90% confidence interval for the average Air Canada stock price in 2000.
A) [16.44, 18.36] 
B) [14.90, 19.87] 
C) [17.48, 19.40] 
D) [16.43, 18.35] 
E) Unable to determine from the information given

Quizplus · Accepted Answer

The Answer of The following summarizes the average price of Air Canada stock at the end of 20 randomly selected weeks in 2000.  Determine a 90% confidence interval for the average Air Canada stock price in 2000.
A) [16.44, 18.36] 
B) [14.90, 19.87] 
C) [17.48, 19.40] 
D) [16.43, 18.35] 
E) Unable to determine from the information given

The Following Summarizes the Average Price of Air Canada Stock