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 of x$193,130 with a standard deviation of $42,047. 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 the a 0.10 level of significance and the critical value method with the table. (a) State the appropriate null and alternate hypotheses. (b) Compute the value of the test statistic. ola (c) State a conclusion. Use the a = 0.10 level of significance.
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 of x$193,130 with a standard deviation of $42,047. 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 the a 0.10 level of significance and the critical value method with the table. (a) State the appropriate null and alternate hypotheses. (b) Compute the value of the test statistic. ola (c) State a conclusion. Use the a = 0.10 level of significance.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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Transcribed Image Text: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 of x$193,130 with
a standard deviation of $42,047. 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 the a 0.10 level of significance and the critical value method with the
table.
(a) State the appropriate null and alternate hypotheses.
(b) Compute the value of the test statistic.
ola
(c) State a conclusion. Use the a
= 0.10 level of significance.
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