The data set below represents the high temperature of 10
cities on a certain day:
{68, 73, 95, 81, 85,
90, 77, 84, 75, 92}
What is the mean?
Ms. Guel
Mr. Le
A) 85
B) 86
C) 83
D) 80
E) 82
Mr. Stauffer
Mrs. Emrey
Ms. Fiala
Gina Wilson Athias Abrol. 2014

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.