According to Management Accounting, salary figures for certifiedmanagement accountants (CMAs) who are in the field less than
Question:
According to Management Accounting, salary figures for certifiedmanagement accountants (CMAs) who are in the field less than 1 yearare normally distributed with a mean of $31,129. A random sample of15 first- year CMAs in Denver produces a mean salary of $32,279,with a standard deviation of $1,797. Test the hypothesis that themean for all Denver first- year CMAs is not equal to $31,129. Usethe .05 level of significance.
1. State the null hypothesis H0: _____________
2. State the alternative hypothesis H1: _____________ 3. What isthe test statistic used for the test (z or t)
4. State the significance or alpha (?) level
5. Determine the p-value.
6. Do you or do you not reject the null hypothesis? Why? 7. Write aclear conclusion using a complete sentence.
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne