Essay
A statistics course at a large university is taught in each semester. A student has noticed that the students in semester 1 and semester 2 are enrolled in different degrees. To investigate, the student takes a random sample of 25 students from semester 1 and 25 students from semester 2 and records their final marks (%) provided in the table below. Excel was used to generate descriptive statistics on each sample.
Assume that student final marks are normally distributed in each semester. 
Estimate and interpret a 95% confidence interval for the population average final mark for semester 1 students.
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65.8 ± 2.064(2.679) = (60.27, ...View Answer
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