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The Printout Below Refers to the Weekly Closing Stock Prices

question 106

Multiple Choice

The printout below refers to the weekly closing stock prices for Air Canada on 20 randomly selected weeks in 2000. 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 different from $19.50? A)  Fail to reject the null hypothesis and conclude the mean stock price was $19.50. B)  Reject the null hypothesis and conclude the mean stock price was lower than $19.50. C)  Reject the null hypothesis and conclude the mean index was greater than $19.50. D)  Reject the null hypothesis and conclude the mean index was different from $19.50. Using a 5% level of significance, can you say that the average Air Canada stock price was different from $19.50?

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