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An employment information service claims the mean annual salary for senior level product engineers is $99,000. The annual salaries (in dollars) for a random sample
An employment information service claims the mean annual salary for senior level product engineers is $99,000. The annual salaries (in dollars) for a random sample of 16 senior level product engineers are shown in the table to the right. At a = 0.01, test the claim that the mean salary is $99,000. Complete parts (a) through (e) below. Assume the population is normally distributed. Annual Salaries 100,613 96,376 93,541 112,820 82,469 74,174 77,023 81,015 102,425 104,028 104,002 91,009 82,012 85,134 110,362 (a) Identify the claim and state Ho and Ha- Ho: H = 99000 H # 99000 (Type integers or decimals. Do not round.) The claim is the null hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are to =- (Use a comma to separate answers as needed. Round to two decimal places as needed.)
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