Find the mean, median and mode of the following given data.

1. {5, 8, 5, 1, 8}
2. {11, 8, 8, 17, 33, 36, 52, 42}
3. {2.1, 3.6, 8.2, 3.8, 5.6, 1.0, 9.4, 11.2, 50.1, 78.2}
4. {255, 179, 192, 145, 201, 188, 178, 201}
5. {-8.5, 2.1, -4.1, 1.1, 7.4, 8.3, 9.7}

Find the weighted mean of the following given data.

Matthew's Aptitude Scores

Area	Score	Weight
English	88	1.2
Filipino	88	1.2
Math	85	1.4
Science	54	1.4
Soc. Sci.	96	5

Mark's Aptitude Scores

Area	Score	Weight
English	75	1.2
Filipino	82	1.2
Math	99	1.4
Science	47	1.4
Soc. Sci.	53	5

Luke's Aptitude Scores

Area	Score	Weight
English	99	1.2
Filipino	90	1.2
Math	70	1.4
Science	50	1.4
Soc. Sci.	47	5