the confidence interval is defined as..

range around the mean with probability containing the true measurement mean

the pulse the time takes to hit the ground and return

Closeness of our measured result to a known value.

The closeness of agreement between independent results

Choose the one that is INCORRECT

The strongest muscle in the body is your calve

What is the 3 sources of error?

human error, equipment error, environmental error

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SURV120!!! WEEK 9-12

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Questions 24

Answers

1
Metadata is..
location data, data value of its location
organises and analyses the measurements
non-spatial information that describes its location
Information about the data
2
What temperature are steel tape standardised at?
0°
5°
20°
10°
3
the confidence interval is defined as..
the range around the SD with some probability of containing the mean
best estimate of sample mean
range around the mean with probability containing the true measurement mean
the range around the probability of containing the mean
4
What did Christina do her TED talk on?
The uncertainty of probability
Ice sheets in Antarctica
How statistics can be misleading
Dependency on surveying to determine climate change
5
The median value is the most frequent number
False
True
6
Outliers are found by using Tukeys range
False
True
7
What shape is this
bimodel
symmetric
negative skew
positive skew
8
if your sample size is 20 then your SE should have
2 digits
3 digits
1 digit
4 digits
9
mean: 62.837 SE= 0.456 Quotient: 16.7 rounded mean is..
62.8
62.84
62.83
62
10
mean: 58.743 SE= 0.865 Quotient: 74 rounded mean is..
58.743
58
58.7
58.74
11
Radar is..
is always polygons
data from multiple sources and combine to present the data.
the pulse the time takes to hit the ground and return
how much light energy is stored in a pixel
12
An improper level set up of a total station is...
human error
blunder
equipment error
environmental error
13
The ideal distribution is..
systematic distribution
histogram
standard normal distribution
t distribution
14
Accuracy is...
Closeness of our measured result to a known value.
Depends on the confidence interval
The sample mean's probability
The closeness of agreement between independent results
15
Standard deviation is....
the dispersion in the data
the measurement of the mean
the measurement precision
the accuracy of the data
16
systematic errors are..
increasing
predictable
scattered
unpredictable
17
Precision is..
The closeness of agreement between independent results
more accurate because it has time to receive more data
Probability standard deviation is in this range
Closeness of our measured result to a known value.
18
When should you use a weighted arithmetic mean
when your datas quality varies
when your data is heavier
when your data is different values
when your data is irregular
19
Choose the one that is INCORRECT
Snails have teeth
Crocodiles can't poke their tongues out
The strongest muscle in the body is your calve
Rats produce high-pitched squeaks when they are happy or excited
20
Standard deviation gets larger as sample increases
False
True
21
What type of traverse should always be avoided
hanging traverse
closed traverse
loop traverse
link traverse
22
GVIS stands for
Geography solar information system
Geographic visualisation
Geographic vertical information system
Geographic vector information system
23
parametric assumes that the sample data comes from a population that has fixed parameters
False
True
24
What is the 3 sources of error?
human error, equipment error, environmental error
systamatic, poor judgement, and bad surveyor
instument error, environmental error, random error
environmental error, blunder and human error

SURV120!!! WEEK 9-12 Flashcards | StudBud