For each set,

1. find the mean, median, mode and midrange
2. in your opinion, decide which of the measures BEST represents all the values in the set (best indicates a typical value), and which one does this the WORST.
3. Explaining why

• Set A:the salaries of 10 employees at a company (in thousands of dollars):50, 50, 50, 50, 50, 50, 50, 50, 50, 500
• Set B:the grades of 9 students on an exam:20, 25, 30, 35, 40, 45, 100, 100, 100