Range and Quartiles Exercise

Assalam'mualaikum, hi again dear bloggers and reader! 

Here is another exercise for Range and Quartiles. :3 I really love to referred to "shmoop.com" as the questions are from normal to moderate level of questions. To referred the answer, you can just go to "http://www.shmoop.com/probability-statistics/range-exercises.html" for range exercise and "http://www.shmoop.com/probability-statistics/quartiles-exercises.html" for quartiles exercise. Basically it's the same website, you can just click the sidebar of the website had provide, which is the list of the exercises. 

RANGE EXERCISE:

1.  Find the range of the following list of test scores. You may want to order each list first.
   50, 60, 75, 85, 86, 86, 87.
2. Find the range of the following list of test scores. You may want to order each list first.
   98, 32, 60, 54, 78, 80, 54, 78, 77, 89.
3. Find the range of the following list of test scores. You may want to order each list first.
   60, 55, 76, 80, 84, 90, 78, 92.
4. Everyone got the same letter grade on the test. Which of the following is more likely to be true?
   (a) The range of the test scores was 5.
   (b) The range of the test scores was 50.

QUARTILES EXERCISE:

1. For the following list, find the quartiles: -10, -8, -3, 0, 1, 2, 12. 
2. For the following list, find the quartiles: 0, 0, 0, 1, 2, 4, 10, 20, 30, 47.
3. For the following list, find the quartiles: 10, 0, 1, -3, 4, 5.
4. For the following list, find the quartiles: 12, 14, 7, 20, 18, 32, 50, 60.
5. For the following list, find the quartiles: 2.1, 3.2, 0.8, 1.6, 4.2, 5.1, 0.4.