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Static Model Flashcards | StudBud

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Static Model

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A #maths #Model

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Questions 10

Answers

1
The figure represent
Poor accuracy, Poor precision, Bias
Poor accuracy, Good precision, Bias
Good accuracy, Good precision, Unbiased
Good accuracy, Poor precision, Unbiased
2
Which source of data arises when imprecision in data collection?
Truncation error
Propagation error
Initial data error
Round off error
3
Which is the best model?
Model 1
Model 2
4
|Exact value - approximate value |=?
Absolute error
Relative error
5
The advantage of the linear least-squares are as follow except
Makes very efficient use of the data
Good results can be obtained with relatively small data sets
possibly poor extrapolation properties
6
The figure shows the possible function for
Polynomial equations of degree m
Transcendental equation
Linear equations
7
The following are the objectives of the linear least-squares procedure, EXCEPT
to optimize the error of the function
the best fit straight line that suits a set of data points
to determine the best approximating function
8
Which is the example of round off error?
3/7=0.429
sin x=sinx/1!−(sinx)/3!+(sinx)/5!−(sinx)/7!+...
9
Arise from the use of approximations to represent exact mathematical operations and quantities
ERROR
ACCURACY
PRECISE
BIAS
10
The condition to choose the best curve shown in the figure is
The sum of the squares of the errors
The sum of the magnitude of the errors
The sum of errors