Previous Next Question 8 of 17 (1 point) View problem in a pop-up 9.3 Section Ex

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Previous Next Question 8 of 17 (1 point) View problem in a pop-up 9.3 Section Exercis 15 (critical value, table) Is there a doctor in the house? A market research firm reported the mean annual earnings of all family practitioners in the United States was $178,258. A random sample of 52 family practitioners in Los Angeles had mean earnings ofx $193,130 with a standard deviation of S42,047. Do the data provide sufficient evidence to conclude that the mean salary for family practitioners in Los Angeles is greater than the national average? Use thez 0.10 level of significance and the critical value method with the table. Part 1 State the appropriate null and alternate hypotheses. H1 : {(1782587 This hypothesis test is a right tailod test Part 2 out of 5 Find the critical value. Round the answer to three decimal places. The critical value is Tiutorial holp

Explanation / Answer

Critical t: 1.2984 at 10% los and 51 df

Test Statistic, t: 2.5506

Here t value < t critical value, so we accept H0

thus we conclude that the population mean = 178258

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