The Chartered Financial Analyst (CFA®) designation is fast becoming a requirement for serious investment professionals. It is an attractive alternative to getting an MBA for students wanting a career in investment. A student of finance is curious to know if a CFA designation is a more lucrative option than an MBA. He collects data on 50 recent CFAs with a mean salary of $140,000 and a standard deviation of $52,000. A sample of 80 MBAs results in a mean salary of $131,000 with a standard deviation of $14,000. Use Table 2. a-2. Calculate the value of the test statistic. (Round all intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic