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An employment information service claims the mean annual salary for senior level product engineers is $98,000. The annual salaries (in dollars) for a random
An employment information service claims the mean annual salary for senior level product engineers is $98,000. 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 = 0.10, test the claim that the mean salary is $98,000. Complete parts (a) through (e) below. Assume the population is normally distributed. 100,635 82,524 Annual Salaries 96,299 93,462 112,807 74,144 76,968 81,001 102,509 91,017 76,194 104,080 103,988 82,167 84,986 110,341 (a) Identify the claim and state Ho and H Ho Ha (Type integers or decimals. Do not round.) The claim is the hypothesis. (b) Use technology to find the critical value(s) and identify the rejection region(s). The critical value(s) is/are t =
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