A school system employs teachers at salaries between $38,000 and $70,000. The teachers’ union and school board are negotiating the form of next years’ increase in the salary schedule. Suppose that every teacher is given a $1000 raise.
Which of the following choices correctly describes the effect this raise will have on each of the following characteristics of the resulting distribution of salary:
Shape
Mean and median
Standard deviation and interquartile range (IQR)
