Math twelve hundred students participated in the school chemistry contest. a random sample (sample 1) from grades 9 and 10 showed scores of: 84, 50, 99, 83, 50, 78, 88, 85, 77, and 96. a random sample (sample 2) of grades 11 and 12 showed scores of: 57, 62, 86, 82, 74, 78, 96, 90, 97, and 83. what is the median of sample 1? what is the median of sample 2?

Median of Sample 1: 64

Median of Sample 2: 76

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

because they could drop even lower..