1. The following are the entrance test results of incoming Senior High School Students: 80, 85, 75, 76, 81, 76, 75, 76, 76, 96, 78.

a) Find the mean, median and mode of the scores.

2. The following data represent the annual rainfall distribution in Manila, Philippines, for a sample of 30 years from 1980 to 2010

RAINFALL(INCHES)	NO. OF YEARS
55-59	1
50-54	3
45-49	4
40-44	8
35-39	3
30-34	5
25-29	6
20-24	1

1. Find the mean, median (class), and mode (class) of the grouped data

3. 6 students were given a ball; each student's ball was measured how high they threw the ball. Refer to the table below

Alex - 20 cm	Harry - 38m
Stella - 42 cm	Gem - 85cm
Aisha - 45cm	Bob - 31cm

Solve for:

1. Mean
2. Range
3. Variance
4. Standard Deviation