1. EASY

What is the median in this list of numbers?
32, 63, 45, 36, 25, 73, 25, 37, 32

 
2. EASY

What is the range in this list of numbers?
52, 32, -15, 72, 43, 72, 23, 63, 84

 
3. MEDIUM

If the mean of 4 numbers is 23.5 and another number with a value of 50 gets added to the list, what will the new mean become?

  1. 35.7
  2. 23.5
  3. 50
  4. 24.5
  5. 28.8
 
4. MEDIUM

What is the mode in this list of numbers?
42, 42, 72, 34, 34, 72, 42, 63, 26

  1. 42
  2. 72
  3. 34
  4. All of the above
  5. None of the above
 
5. HARD

The mean of the test scores of Ben's 18 classmates equals 81. The mean of the test scores of all 19 of the students, including Ben, equals 82. What is Ben's test score?