GIST 8106 - Quiz Questions

 What is the primary focus of spatial analysis in GIS?

A	Documenting physical features
B	Understanding patterns, relationships, and actions in geographic data
C	Creating artistic maps
D	Collecting demographic data

B

What is the Modifiable Areal Unit Problem (MAUP)?

A	Difficulty in collecting data
B	Changes in results when spatial scale or aggregation units are modified
C	Inaccurate GPS readings
D	Data loss during processing

B

Which data model is best for representing continuous data like temperature or rainfall?

A	Vector
B	Raster
C	Network
D	CAD

B

Which data model is best for representing discrete data like hydrants or signs?

A	Vector
B	Raster
C	Network
D	CAD

A

What is the main advantage of vector data models?

A	Generalized location and one attribute
B	Precise location and multiple attributes
C	Simple data structure
D	Efficient for continuous surfaces

B

What is a TIN (Triangulated Irregular Network) used for?

A	Modeling discrete features
B	Representing continuous surfaces with triangles
C	Storing raster images
D	Network routing

B

Which of the following is a common application of spatial analysis in health care?    

A	Weather prediction
B	Mapping health variables and optimizing locations for clinics
C	Service Request Management
D	Network routing

B

What is the ecological fallacy?

A	Assuming relationships among aggregate data apply to all  individuals within the enumeration unit
B	Misclassification of raster data
C	Data loss during aggregation
D	Inaccurate GPS readings

A

What is a common raster file format?    

A	Shapefile
B	GeoTIFF
C	DWG
D	GeoJSON

B

What is the main challenge with boundary problems in spatial analysis?

A	Data redundancy
B	Loss of neighbor information at boundaries
C	Inaccurate attribute values
D	Data currency

B

What is the primary difference between vector and raster data models?    

A	Vector is for continuous data, raster for discrete
B	Raster stores many attributes, vector only one
C	Vector provides precise location, raster generalizes location
D	Raster is used for network analysis

C

Which concept is central to understanding spatial analysis in GIS?

A	Data storage formats
B	Map design principles
C	Modeling geographic phenomena and considering scale, boundaries, and aggregation units
D	Satellite imagery projection and resolution

C

Which spatial analysis technique is used for wildlife corridor modeling?

A	Geocoding and Network Routing
B	Least cost path analysis across weighted cost surfaces
C	Raster classification
D	Land Use Classification

B

Which statement about scale in spatial analysis aligns with the presentation?

A	Scale selection is irrelevant to analysis quality
B	Appropriate choice of data collection, representation, and analysis scale is critical
C	Larger scales eliminate MAUP concerns
D	Scale applies only to cartographic outputs, not data

B

Which aspect is not listed among the data quality considerations in the presentation?    

A	Positional and attribute accuracy
B	Logical consistency
C	Completeness and currency
D	Graphic design aesthetics

D

Which concern warns against inferring individual‑level relationships from aggregate data?    

A	Ecological fallacy
B	MAUP
C	Edge effect
D	Nonstationarity bias

A

Which analysis is raster particularly suited for in this course?

A	Topology validation
B	Suitability and multi‑criteria decision analysis
C	Parcel management
D	Linear referencing

B

Which set best matches the four traditional types of spatial analysis covered?

A	Temporal, categorical, qualitative, quantitative
B	Spatial overlay/contiguity, surface analysis, linear analysis, raster analysis
C	Geodatabase, topology, symbology, cartography
D	Classification, clustering, association, regression

B

What is the primary aim of spatial analysis in GIS?

A	Compress large datasets for storage efficiency
B	Replace statistical models with visualizations
C	Map data, explore patterns and derive meaning from geographic data to inform actions
D	Automate cartographic symbolization

C

What is one way GIS supports emergency management?

A	By automating business analytics
B	By mapping damaged infrastructure and prioritizing medical needs
C	By designing vector data models
D	By modeling slope and elevation

B

Which of the following explains why spatial statistics are useful (select all that apply)?

	Assists in the process of making inferences to communicate characteristics of a population based on data collected from a sample
	Assists in the process of determining whether or not sample data is inaccurate
	Assists in the process of summarizing large data sets in order to make sense of them
	Assists in the process of making a decision to decide whether an observed difference in a relationship between two sets of sample data is significant

A, C,D

(T/F) Numerical summaries mask the detail and sometimes are skewed by outliers

True

Which of the following is used to determine the value around which data are concentrated?

	Measures of Dispersion
	Bivariate Correlation
	Measures of Central Tendency

C

What are the measures of central tendency (select all that apply)

	Standard Deviation
	Mean
	Median
	Mode

B, C, D