research analyst is conducting a study on the salary profile of executives in large corporations. For this purpose  two random samples of size 100 are selected from two corporations. The mean for company I is $6000 with a standard deviation of $300 while the mean of company II is $6100 with a standard deviation of $400. Using 95% confidence intervals, a) Estimate the mean salary of all executives from company II. B) Determine if there is no difference between the mean salary of executives in comp

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