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Suppose a student organization at a university collected data for a study involving class sizes from different departments. The following table shows the average class
Suppose a student organization at a university collected data for a study involving class sizes from different departments. The following table shows the average class size from a random sample of classes in the business school vs. the average class size from a random sample of classes in the engineering school. Data for the sample sizes and standard deviations are also shown.
Business Engineering
Sample mean 38.5 30.1
Sample standard deviation 10.113.2
Sample size 15 14
The test statistic is
The critical values are
The P-Value is
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