UCF QMB 3200 Final Exam Complete
Comprehensive Study Guide – Expert Strategies,
Review of Key Quizzes, and Practice Questions
for Guaranteed Success Complete Exam
Terms in this set (208)
A sample of 92 normal because of the central limit theorem.
observations is taken from
an infinite population. The
sampling distribution of is
approximately
The central limit theorem when the sample size is large regardless of the
is important in Statistics distribution of the variable.
because it enables
reasonably accurate
probabilities to be
determined for events
involving the sample
average
The distribution of values The sample
taken by a statistic in all
possible samples of the
same size from the same
population is the sampling
distribution of
Which of these best It is the distribution of all of the statistics calculated
describes a sampling from all possible samples of the same sample size.
distribution of a statistic?
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,3/14/25, 9:55 AM UCF QMB 3200 Final Exam Complete Comprehensive Study Guide – Expert Strategies, Review of Key Quizzes, and Practice Que…
The probability sampling distribution of p.
distribution of all possible
values of the sample
proportion is the
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,3/14/25, 9:55 AM UCF QMB 3200 Final Exam Complete Comprehensive Study Guide – Expert Strategies, Review of Key Quizzes, and Practice Que…
For a fixed confidence four times as large as the original sample size.
level and population
standard deviation, if we
would like to cut our
margin of error in half, we
should take a sample size
that is
We can reduce the margin increasing the planning value p* to .5.
of error in an interval
estimate of p by doing any
of the following except
When computing the 0.50
sample size needed to
estimate a proportion
within a given margin of
error for a specific
confidence level, what
planning value of p should
be used when no estimate
of p is available?
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, 3/14/25, 9:55 AM UCF QMB 3200 Final Exam Complete Comprehensive Study Guide – Expert Strategies, Review of Key Quizzes, and Practice Que…
A statistics teacher started A t distribution should be used because σ is unknown.
class one day by drawing
the names of 10 students
out of a hat and asked
them to do as many
pushups as they could.
The 10 randomly selected
students averaged 15
pushups per person with a
standard deviation of 9
pushups. Suppose the
distribution of the
population of number of
pushups that can be done
is approximately normal.
Which of the following
statements is true?
The z value for a 99% 2.58
confidence interval
estimation is
In an interval estimation 2.576.
for a proportion of a
population, the critical
value of z at 99%
confidence is
In interval estimation, as becomes narrower.In general, higher confidence
the sample size becomes levels provide larger confidence intervals.
larger, the interval
estimate
One way to have high increase the sample size.
confidence and a small
margin of error is to
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