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Return to Foundations of Science Mathematics 2e Student Resources
Chapter 16 Multiple choice questions
Data analysis
Quiz Content
*
not completed
.
Which of the following is
not
true about Bayesian probability theory?
Probabilities are seen as representing states of knowledge, or degrees of belief.
correct
incorrect
All probabilities are conditional on the assumptions made and the information used.
correct
incorrect
Bayesian analysis and conventional statistics usually lead to different conclusions.
correct
incorrect
Bayesian ideas predate the development of frequentist, or conventional, statistics.
correct
incorrect
*
not completed
.
Which of the following is
not
true about a
normal
distribution?
It is a symmetric, Gaussian, function.
correct
incorrect
Its mean and mode are not the same.
correct
incorrect
It has a full width at half maximum of around 2.35 times its standard deviation.
correct
incorrect
Many commonly used probability distributions can be approximated by it in the limit of large numbers.
correct
incorrect
*
not completed
.
What is the probability of finding at least one rotten apple in a carton of 100 given that 1 in 50 tend to be bad?
2%
correct
incorrect
27%
correct
incorrect
87%
correct
incorrect
98%
correct
incorrect
*
not completed
.
Given three independent measurements of the lattice constant of a cubic crystal, 16.34 ± 0.31 Å, 16.19 ± 0.37 Å and 16.71 ± 0.11 Å, what is the best estimate of its value and the related uncertainty.
16.63 ± 0.10 Å.
correct
incorrect
16.63 ± 0.16 Å.
correct
incorrect
16.41 ± 0.16 Å.
correct
incorrect
16.41 ± 0.26 Å.
correct
incorrect
*
not completed
.
If 10.0 ± 0.5 g of NaCl, with molecular mass 58.5 g mol
^{-1}
, is dissolved in 50.0 ± 1.0 cm
^{3}
of water, what is the concentration of the salt solution?
3.42 ± 0.02 mol dm
^{-3}
.
correct
incorrect
3.42 ± 0.05 mol dm
^{-3}
.
correct
incorrect
3.42 ± 0.18 mol dm
^{-3}
.
correct
incorrect
3.42 ± 0.33 mol dm
^{-3}
.
correct
incorrect
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