Mathematics, 09.12.2020 21:50 Adialis
A random sample of 12 recent college graduates reported an average starting salary of $54,000 with a standard deviation of $6,000.
a. Construct a 95% confidence interval for the mean starting salary of college graduates.
a. 50188 to 57812$
b. 45,0000 to 50,000$
c. 48,000 to 60,000$
d. 50,000 to 54000$
b. The National Association of Colleges and Employers reports that the mean starting salary for 2017 college graduates is $50,516. Does your confidence interval (part a) indicate that starting salaries have significantly changed since 2017? Why or why not?
Answers: 2
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