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Please solve Part A and B 3. Starting annual salaries for individuals with master's and bachelor's degrees in business were collected in two independent random

Please solve Part A and B

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3. Starting annual salaries for individuals with master's and bachelor's degrees in business were collected in two independent random samples. a. Use the following data to develop a 90% condence interval estimate of the increase in starting salary that can be expected upon completion of a master's program. b. Use a: = .05 and test whether or not the master's starting salary is higher (don't assume the population variances are equal)

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