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.
Definitions:
Due Dates
Specific dates by which obligations, such as bill payments or assignments, must be fulfilled or submitted.
Trade Credit
It is a type of commercial financing in which a buyer is allowed to purchase goods or services and pay the supplier at a later scheduled date.
Fundamental Benefit
A primary or essential advantage that is intrinsic to a product, service, or activity.
ACP
Average Collection Period (ACP) is a financial metric that measures the average number of days it takes for a company to collect payments from its customers after a sale has been made.
Q2: The irradiation of food to destroy
Q13: Suppose that the sample regression line
Q20: Suppose that we calculate the four-period
Q30: The current international financial system is a
Q30: The irradiation of food to destroy
Q33: The Wilcoxon rank sum test for independent
Q48: Because of the rising costs of
Q68: A statistics course at a large university
Q88: The following sums of squares are produced:
Q128: In the 1950s,the United States began the