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Elizabeth, the human resource manager of a start-up company, believes employee salaries are increasing at the company. She would like to test the claim that
Elizabeth, the human resource manager of a start-up company, believes employee salaries are increasing at the company. She would like to test the claim that the average salary at the start-up company is over 56 thousand dollars. Using the computed test statistic of 2.68 and the critical value of 1.65 , is there enough evidence for the human resource manager to reject the null hypothesis? Use the graph below to interpret the critical value. First select the appropriate test type (left-, right-, or two- tailed), then plot the points along the x-axis (for the critical value and test statistic), and use them to choose the appropriate interpretation. x y a2 ab 7 8 9 ( ) < > 4 5 6 |a| , 1 2 3 0 . = + Select the correct answer below: Yes. There is sufficient evidence for the owner to reject the null hypothesis because the test statistic falls in the rejection region. No. There is NOT sufficient evidence for the owner to reject the null hypothesis because the test statistic does not fall in the rejection region. Yes. There is sufficient evidence for the owner to reject the
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