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  3. the following three independent random samples are

The following three independent random samples are obtained from three normally distributed populations with equal variance....

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Basic Math

The following three independent random samples are obtained fromthree normally distributed populations with equal variance. Thedependent variable is starting hourly wage, and the groups are thetypes of position (internship, co-op, work study).

Group 1: InternshipGroup 2: Co-opGroup 3: Work Study
1514.7514.25
17.259.7515.5
1315.2516.25
16.751413.5
1314.2513.75
131615.75
15.259.515.25
17.51216.75

Do not forget to convert this table from parallel format(i.e., groups in each column) to serial format for analysis inSPSS.

Use SPSS (or another statistical software package) to conduct aone-factor ANOVA to determine if the group means are equal using?=0.05. Though not specifically assessed here, you are encouragedto also test the assumptions, plot the group means, and interpretthe results.

Group means (report to 2 decimal places):
Group 1: Internship:
Group 2: Co-op:
Group 3: Work Study:


ANOVA summary statistics:

F-ratio =
(report accurate to 3 decimalplaces)
p=
(report accurate to 4 decimalplaces)

Conclusion:

a.There is not sufficient data to conclude the starting wagesare different for the different groups.

b. The sample data suggest the average starting hourly wages arenot the same.

Answer & Explanation Solved by verified expert
3.9 Ratings (758 Votes)
Group means report to 2 decimal placesGroup 1 Internship 150937Group 2    See Answer
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