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 P-value method with the TI-84 Plus calculator. Should H0 be rejected