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AICP Prep > Stats And Mapping > Flashcards

Stats And Mapping Flashcards

1
Q

1km =

A

5,000 feet

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2
Q

Township section

A

1 square mile
640 acres

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3
Q

Slope

A

Rise / run x100

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4
Q

Nominal data

A

Numbers and symbols
Does not lend to mean median mode

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5
Q

Ordinal data

A

Ranking of data (I.e.) height

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6
Q

Qualitative variables

A

Nominal, sometimes ordinal

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7
Q

Quantitative data

A

Interval or ratio

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8
Q

Skewed data represents

A

Outliers

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9
Q

Bias

A

The difference between an expected value and the real value; resulting from faulty design or execution
*increasing sample size will not fix this

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10
Q

Acs

A

Includes typical data, health insurance, vet status, etc
1 year: 65k+ population
5 year: small population; most reliable

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11
Q

Order of census places

A

Regions
Divisions
States
Counties
Places
Census tracts
Block groups
Census blocks

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12
Q

Census blocks

A

Smallest unit for 100% tabulation; 100 people

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13
Q

50k+ population in a total metro of 100k

A

MSA

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14
Q

Urbanized area

A

50k population / block groups population density of 100k

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15
Q

Block group

A

1500 people; range between 300-3,000

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16
Q

Census tracts

A

4,000 people
Range between 1,000-8,000

17
Q

Mean center population trend

A

1780-2010 population moving south/west

18
Q

Gender shift

A

Women hold 1/2 of all jobs; 40% of businesses; 43% executives

19
Q

Gombertz curve

A

S-curve
Assumes growth begins slowly, increases momentum until point of inflection then slows.

20
Q

Ratio method (shift share) for populations

A

Assumes relationship between local area and larger area will remain constant

21
Q

Cohort component method

A

Most common method
Change is a function of natural increase and net migration
* migration is least predictable

22
Q

Location quotient

A

Total employment local industry / total local employment
Over
Total employment in national industry / US employment
I.e. retail employment / total employment

23
Q

Township

A

6 x 6 mile square
36 sections

24
Q

Section

A

1x1 mile squared
640 acres

25
Q

Section

A

1x1 mile squared
640 acres

AICP Prep (8 decks)

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