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RNR 2102 Final Exam with Questions 100% Solved |Latest Update| Verified Answers
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RNR 2102 Final Exam with Questions100% Solved |Latest Update| Verified
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what are the 3 most common projections used in North America? what are the differences
among these projections? - ✔ANS 1. NAD27-based on 25,000 locations and is referenced
to central location (meades ranch, kansas)
2. NAD83- based on 270,000 locations and is referenced to the earths center
3. WGS84-refernced to the center of the earth and was a default system for many GPS units
list two types of coordinate systems - ✔ANS 1. cartesian x and
y 2. geographic lat-long
UTM divided that earth into ______ zone and the continuous US into ______ zones - ✔ANS
60; 10
a GIS provides four basic capabilities. what are they? - ✔ANS 1. input
2. management
3. manipulation and analysis
4. output
what is the dangling arc? an island? - ✔ANS dangling arc not connected to another arc
island is a polygon enclosed completely within another polygon
what is a metadata? - ✔ANS information about the content and quality of the GIS data
, what is a raster model? - ✔ANS map divided into square cells or pixels; each cell has
a condition that is represented
what is a vector model? - ✔ANS objects or conditions represented by points and lines
that define boundaries; geographic objects are represented by points, lines, and polygons
name the elements that can be used to recognize an object on an aerial photo? - ✔ANS
shape, size, patterns, shadows, tones and colors, associations, textures and sites
the mean is measure of __________ of the distribution - ✔ANS center
the variance is a measure of _______________ of the distribution - ✔ANS spread
if you fail to reject the null hypothesis, what else can you do to be able to reject Ho at the
same a level? - ✔ANS increase sample size
T/F
for a two tailed test, the null hypothesis is rejected when tcalculated<t tabulated - ✔ANS false
T/F
when 95% confidence interval for u contains c, a test if u=c will be rejected at the 5% level
- ✔ANS false
at the same a level, it is ____ (easier, more difficult) to reject Ho for a one tailed test as
compared to a two tailed test - ✔ANS easier
for a two tailed test, if the critical t value from the t-table is 2.01, and the calculated t value is -
2.34, then we should _______ (reject, fail to reject) the null hypothesis - ✔ANS reject
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