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:
Emotional Reactions
Responses that involve feelings, arising from stimuli or thoughts.
Negative Feelings
A spectrum of emotions that are generally considered unpleasant or unfavorable, such as sadness, anger, and fear.
Psychology Professor
An academic professional who teaches psychology courses at a college or university and often engages in research within the field.
Nonverbal Information
Information that is communicated without the use of words, often through body language, gestures, facial expressions, and tone of voice.
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