In this problem assume that the distribution of differences is approximately normal Note For degrees of freedom d f not in the

Question

In this problem assume that the distribution of differences is approximately normal Note For degrees of freedom d f not in the Student s t table use the closest d f that is smaller In some situations this choice of d f may increase the P value by a small amount and therefore produce a slightly more conservative answer Are America s top chief executive officers CEOS really worth all that money One way to answer this question is to look at row B the annual company percentage increase in revenue versus row A the CEO s annual percentage salary increase in that same company Suppose a random sample of companies yielded the following data B Percent increase 22 25 27 18 6 for company A Percent increase for CEO 4 21 37 25 23 22 14 4 19 15 30 LUSE SALT Do these data indicate that the population mean percentage increase in corporate revenue row B is different from the population mean percentage increase in CEO salary Use a 5 level of significance Let d B A a What is the level of significance X You may have forgotten to multiply or divide by 100 State the null and alternate hypotheses in percent Enter for as needed Ho Check which variable s should be in your answer

Kunduz · Accepted Answer

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