MGT 600
ASSIGNMENT 6
Determine the appropriate hypothesis test(s) to be used in four research projects described below. In selecting the appropriate test(s), you should describe the test selection procedure, considering the following:
Null hypothesis (H0) and alternative hypothesis/hypotheses (HA)
Measurement scale/data type: nominal, ordinal, interval or ratio
Sample description . Number of samples: 1, 2, or 3 or more
. If samples are independent or related
Hypothesis test(s) to be used
Describe any other issues/assumptions that should be considered. In some cases, more than one test may apply. (25 points each) [NOTE: No Calculations are needed]
1. Five thousand randomly-selected MBA graduates were surveyed to determine their future plans. The survey response rate was 10%. The graduates’ future plans were grouped into four categories for each of three majors, as shown in the following table:
————– MAJOR (Number of Graduates) —————
FUTURE PLANS Marketing (204)Finance (172)Operations (124)
Continue their education 26% 21% 24%
New position – existing company 39% 38% 41%
New position – different company 23% 28% 26%
Not sure 12% 13% 9%
The Business School Dean wants to determine if the future plans are significantly different for the three majors at a level of confidence of at least 90%. What test(s) would you recommend?
2. A company hired 20 salespeople and gave them an initial sales skills examination; test scores ranged from 68 to 95, with a mean of 79.4. All salespeople then attended a two-week training program and were re-tested; test scores ranged from 65 to 98, with a mean score of 83.2. The Corporate Training Director asked the Manager of Corporate Research whether the differences in the two test scores was significant, Due to EEO and other regulations, a confidence level of 99% is necessary. What hypothesis test(s) would you suggest to the Manager of Corporate Research?
3. An automobile…