The following information regarding the number of semester hours taken from random samples of day and evening students is provided. 
Develop a 95% confidence interval estimate for the difference between the mean semester hours taken by the two groups of students.
Definitions:
Mean
The average value in a set of numbers, calculated by adding all the numbers together and dividing by the count of the numbers.
Median
The median represents the value that occupies the central position in a dataset once it’s arranged sequentially from lowest to highest or the opposite way.
Quotient
The result obtained when one number is divided by another.
Rounded
The process of approximating a number to a specified degree of precision, often to make it simpler to handle or understand.
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