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...
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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