Question

6. An analyst interested in the market risk conducted a survey of the most recent 34 trading months in the US and the most recent 29 trading months in Canada. Here is a descriptive summary of the results of her survey: US Index Canada Index n 34 29 mean 10.55% 9.09% sample sd 20.1% 12.2% Is there sufficient evidence at the α = 0.05 level to conclude that the variance of returns of the US index differs from the variance of returns of the Canadian Index?

Answer 1