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RNR 2102, Exam 2, Cao, LSU with Questions 100% Solved |Latest Update| Verified Answers
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RNR 2102, Exam 2, Cao, LSU with Questions 100% Solved |Latest Update| Verified Answers
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RNR 2102, Exam 2, Cao, LSU withQuestions 100% Solved |Latest Update|
Verified Answers
What does this equation calculate?
n-1 - ✔ANS Degrees of freedom
What does this equation calculate?
(x ̄- c)/SE - ✔ANS Calculated t
What does this equation calculate?
x ̄± t ₐ₆ ₑ(SE) - ✔ANS Confidence interval
The _____________ ___________ is constantly changing, but the __________ _________ is
constant - ✔ANS Confidence interval; true mean
GIS is NOT a ______ - ✔ANS Map-making tool
GIS is a information ____________ - ✔ANS Database
What are the 9 recognition elements for aerial photo interpretation? - ✔ANS - Shape
- Size
- Pattern
- Association
- Color relief
- Shaded relief
- Tone
,- Color
- Texture
Color relief and shaded relief tell us about what? - ✔ANS Altitude
What does GPS stand for? - ✔ANS Global Positioning System
How many satellites are there for GPS? - ✔ANS 30-33
The satellite transmissions travel at what speed? - ✔ANS Speed of light
True or False: If I sampled 100 fish and measure their length, then I can do a test that the
average is 20 cm because the sample is approximately normal - ✔ANS False, x ̄is normal,
not the sample
True or False: It is easier to reject a two-tails test than a one-tailed test for a given positive t
value - ✔ANS False
What is the method for estimating coefficients of a regression model? - ✔ANS Least squares
What does least squares mean? - ✔ANS Minimize the squared errors
What is the minimum number of satellites needed for a 3-dimensional model? - ✔ANS
4 satellites
, What is the minimum number of satellites needed for a 2-dimensional model? - ✔ANS
3 satellites
What does PDOP stand for? - ✔ANS Positional Dilution of Precision
What is worse? Higher or lower PDOP? - ✔ANS Higher
A _______ PDOP is better - ✔ANS Lower
For PDOP, a good reading of under 1 meter is what? - ✔ANS Less than 4
For PDOP, an adequate reading of open area in a forest is what? - ✔ANS 4-6
For PDOP, a bad reading under forest canopy is what? - ✔ANS Less than, equal to 8
What do you do when you don't have a reading, but still want a reading? - ✔ANS
Increase PDOP value
When using a Suunto clinometer, how many decimals do you round to? - ✔ANS 0 decimals
When using a D-tape, how many decimals do you round to? - ✔ANS 1 decimal
Consumer GPS (cheap) only gets what type of signal? - ✔ANS L1
More expensive GPS gets what signals? - ✔ANS L1 and L2
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