# Indices An Index is an arbitrarily defined number that provides a measure of scale. e.g. Level of achievement: 4 Above standard 3 At Standard 2 More than.

## Presentation on theme: "Indices An Index is an arbitrarily defined number that provides a measure of scale. e.g. Level of achievement: 4 Above standard 3 At Standard 2 More than."— Presentation transcript:

Indices An Index is an arbitrarily defined number that provides a measure of scale. e.g. Level of achievement: 4 Above standard 3 At Standard 2 More than passable but below standard 1 Passable R Below a pass

BMI e.g. 3 BMI (Body Mass Index) BMI = mass/height 2 (where mass is in Kilograms and height is in meters) For a 79 Kg person 1.72 meters tall BMI = 79/1.72 2 = 23.67

Slugging Percentage SP=total Bases/total at bats = (# home runs*4+ # Triples*3 + # doubles*2+#base hits)/total at bat The above index is an alternative to using batting average to account that the contribution of each hit could be different.

Similarity Index Academic Interests A1 Math A2 English A3 Music A4 Science A5 Phys Ed A6 Drama A7 History A8 Computers A9 Law A10 Geography A11 Business A12 Foods A13 Peer Leadership A14 French Non Academic Interest N1 Ski/Snowboard N19 Listening to Music N2 Basketball N20 Attend Concerts N3 MMA N21 Running N4 Golf N22 Table Tennis N5 Volleyball N23 Figure Skating N6 Sailing N8 Hockey N9 Baseball N10 Reading N11 Shopping N12 Dirt biking N13 T.V. N14 Rugby N15 Fishing/Hunting N16 Soccer N17 Computers N18 Playing Music

AcademicNon-Academicscore 1 st 2 nd 3 rd 1 st 2 nd 3 rd My Interests Classmate 1 Classmate 2

Their Favorite SecondThird Your favorite 1063 2 nd 632 3rd321

Time Series Graph Consumer Price Index

HWK Page109 1(ask about part c ii), 2,3, 8,10(Change the date to make it current, say 1999 to 2009).

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