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Exam (elaborations)

BSAN 202 Final Test Questions and Answers

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  • BSAN 202

BSAN 202 Final Test Questions and Answers Reliability - Answer-consistency of measurement to eliminate chance Validity - Answer-accuracy to eliminate bias selection bias - Answer-bias that occurs when the sample selected does not represent the population of interest non-response bias - A...

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  • August 16, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BSAN 202
  • BSAN 202
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BSAN 202 Final Test Questions
and Answers
Reliability - Answer-consistency of measurement to eliminate chance

Validity - Answer-accuracy to eliminate bias

selection bias - Answer-bias that occurs when the sample selected does not represent
the population of interest

non-response bias - Answer-bias that occurs when relevant data is omitted

center of data - Answer-mean, median, mode

random variation - Answer-reflects the variation between what is observed and what is
expected that is a result of randomness

Systematic variation - Answer-reflects the variation between what is observed and what
is expected that is a result of bias

measurement variation - Answer-reflects the variation between what is observed and
what is the actual and true measurement of some phenomenon

the empirical rule - Answer-68-95-99.7

expected value - Answer-the total benefit to be expected if a decision were to be
repeated several times

center - Answer-sample mean

dispersion - Answer-sample standard deviation

binomial distribution conditions - Answer-1. series of independent trials
2. success or failure
3. probability of success is constant

central limit theorem - Answer-For any population, the sampling distribution of the
sample mean is approximately normal if the sample size, n, is sufficiently large

95% confidence interval - Answer-for every random sample possible, approximately
95% of the random samples will produce CIs that include the true value

Type 1 error (alpha) - Answer-Rejecting null hypothesis when it is true (false negative)

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