The printout below refers to the weekly closing stock prices for Air Canada on 20 randomly
Selected weeks in 2000.
Using a 5% level of signiﬁcance, can you say that the average Air Canada stock price was less than
$19)00?
A) Fail to reject the null hypothesis and conclude the mean stock price was $19.00.
B) Since the P-value is less than the selected alpha, reject the null hypothesis and conclude the mean stock price was lower than $19.00.
C) Since the P-value is more than the selected alpha, reject the null hypothesis and conclude the mean stock price was more than $19.00.
D) Since the P-value is less than the selected alpha, reject the null hypothesis and conclude the mean stock price was different from $19.00.
E) Since the conﬁdence interval doesn't contain the value $19.00, reject the null hypothesis and conclude that the mean stock price is different from $19.00.

Question

The printout below refers to the weekly closing stock prices for Air Canada on 20 randomly
Selected weeks in 2000.
Using a 5% level of signiﬁcance, can you say that the average Air Canada stock price was less than
$19)00? 
A) Fail to reject the null hypothesis and conclude the mean stock price was $19.00. 
B) Since the P-value is less than the selected alpha, reject the null hypothesis and conclude the mean stock price was lower than $19.00. 
C) Since the P-value is more than the selected alpha, reject the null hypothesis and conclude the mean stock price was more than $19.00. 
D) Since the P-value is less than the selected alpha, reject the null hypothesis and conclude the mean stock price was different from $19.00. 
E) Since the conﬁdence interval doesn't contain the value $19.00, reject the null hypothesis and conclude that the mean stock price is different from $19.00.

Quizplus · Accepted Answer

Since the P-value is less than the selected alpha, reject the null hypothesis and conclude

The Printout Below Refers to the Weekly Closing Stock Prices