A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago.A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken.You are given the following information. 
The 98% confidence interval for the difference between the two population means is
Definitions:
Cultural Ideas
The shared beliefs, values, and practices that characterize a particular culture or society.
Imagined Community
A concept that describes a nation as a socially constructed community, imagined by the people who perceive themselves as part of that group.
Subscription
A business model or arrangement where customers pay a recurring price at regular intervals to access a product or service.
Social Control
Mechanisms, strategies, and institutions society employs to persuade or enforce conformity to its norms and rules.
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