For each of these problems, perform the following steps. a. State the hypotheses and
Chapter 9, Problem 18(choose chapter or problem)
For each of these problems, perform the following steps. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use the traditional method of hypothesis testing unless otherwise specified.Salaries of Chemists A sample of 12 chemists from Washington state shows an average salary of $39,420 with a standard deviation of $1659, while a sample of 26 chemists from New Mexico has an average salary of $30,215 with a standard deviation of $4116. Is there a significant difference between the two states in chemists salaries at a 0.02? Find the 98% confidence interval of the difference in the means. 1
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