Question

A financial analyst wants to estimate the difference in dividend yield between stocks listed on NYSE and NASDAQ. The following data is collected:

	NYSE	NASDAQ
Number of Stocks	121	125
Sample Mean	3.3	2.5
Sample STD	1.3	1.2

Assume that the stock listed on NYSE and NASDAQ are independent. Is there a significant difference between the mean dividend yields at level a=0.1?

What’s the R code and output in R studio?

Answer 1