3 b You are a financial analyst for a brokerage firm. Is there a difference in dividend yield between stocks listed on the NYSE & NASDAQ? You collect the following data: NYSE NASDAQ Number Sample mean 3.27 2.53 Sample std dev 1.30 1.16 Assuming both populations are approximately normal with equal variances, using critical vlaue approach & p-value approach find out is there a difference in average yield (alpha = 0.05)? a. Since t calculated 2.040) is greater than t_critical (2.0154), reject Ho & p-value ((=0.0474) is less than . 05 , reject Ho. There is evidence of a difference in means. O b. Since t calculated 2.041) is greater than t_critical (2.0151), reject Ho & p-value ((=0.0374) is less than .05 , reject Ho. There is evidence of a difference in means. O c. Since t calculated 2.040) is greater than t_critical (2.0154), reject Ha & p-value ((=0.0474) is less than .05 . reject Ho. There is no evidence of a difference in means. O o search