According to an article in Risk three Danish financial institutions
According to an article in Risk, three Danish financial institutions recently offered new structured investment programs. Suppose that data, in percent return, for a random sample of investments offered by these banks, are as follows.
Bank 1: 8.5, 7.9, 8.3, 8.2, 8.2, 7.7, 8.1, 7.9
Bank 2: 6.8, 7.1, 6.6, 7.3, 7.5, 6.9, 7.7, 8.0
Bank 3: 5.9, 6.0, 6.1, 5.8, 7.3, 5.9, 6.5, 6.3
Conduct a test for equality of means and state your conclusions
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