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

1. {2, 7, 5, 7, 14}
2. {11, 8, 2, 5, 17, 39, 52, 42}
3. {2.1, 4.6, 8.2, 3.4, 5.6, 8.0, 9.4, 12.2, 56.1, 78.2}
4. {255, 178, 192, 145, 202, 188, 178, 201}
5. {-8.5, -2.2, 4.1, 4.1, 6.4, 8.3, 9.7}

Find the weighted mean of the following given data.

1. Raya's Aptitude Scores

Area	Score	Weight
English	87	1
Filipino	87	1
Math	54	1.2
Science	85	1.2
Soc. Sci.	96	5

1. Rafa's Aptitude Scores

Area	Score	Weight
English	65	1
Filipino	92	1
Math	89	1.2
Science	54	1.2
Soc. Sci.	80	5