question archive Students taking an Introduction to Macroeconomics class reported the number of credit hours that they were taking in the current semester
Subject:StatisticsPrice: Bought3
Students taking an Introduction to Macroeconomics class reported the number of credit hours that they were taking in the current semester. Summary statistics are shown in the table below. For tuition the college charges $74 per credit hour plus a flat student fee of $36 per semester. For example, a student taking 12 credit hours would pay $36 + $74*(12) = $924 for that semester.
Summary Statistics for Credit Hours
Data: Mean =14.2, Standard Deviation = 2.5, Min = 9, Q1 = 13.7, Median = 14.5, Q3 = 15.9, and Max = 19
Question 1)If a students tuition for the semester is $1,628.59, what is the corresponding z-score?
Question 2) What is the interquartile range (IQR) of the tuition paid by the students in the class?