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BESC 3010 Final Exam Questions and Answers 2024
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BESC 3010 Final Exam Questions and Answers
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BESC 3010 Final Exam Questions andAnswers
In a sample of women, the number of children that each woman has is an example of
which level of measurement? - Answer -Ratio
Military ranks are an example of what level of measurement? - Answer -Ordinal
Gender is an example of what level of measurement? - Answer -Nominal
Which label would be most appropriate for describing the distribution below?
1
11
111
111111 - Answer -Positively Skewed
Which label would be most appropriate for describing the distribution below?
1
11111
1111111
111111111
11111111111 - Answer -Normal
Which label would be most appropriate for describing the distribution below? (A normal
curve has been superimposed on the distribution for comparison.) - Answer -Mesokurtic
In which of the following situations is the median an appropriate measure of central
tendency? - Answer -The researcher has ordinal data
Which of the following is NOT true about the abnormal distribution? - Answer -Kurtosis =
1
The visual difference between bar graphs and histograms is that in __________ the
bars touch each other and in __________ the bars do not touch. - Answer -Histograms,
bar graphs
Compared to the normal distribution, a leptokurtic distribution has a ___________ than
the normal distribution. - Answer -Taller peak
, If the dots on a scatterplot generally extend from the bottom left to the upper right of the
diagram but are very widely spread out, the researcher would report the correlation as: -
Answer -Weak and positive
The three measures of variability are: - Answer -Range, variance, standard deviation
Which option is the mean of the numbers below?
4 5 4 4 3 5 6 3 4 2 - Answer -4
Which option is the median of the numbers below?
4 5 4 4 3 5 6 3 4 2 - Answer -4
Which option is the mode of the numbers below?
4 5 4 4 3 5 6 3 4 2 - Answer -4
What is the standard deviation of the sample represented by the numbers below?
4544356342
(Note that if you compare this question to the paper version of the practice final or the
video reviews, one of the answers is slightly different. The correct one is listed here.) -
Answer -1.15
What is the variance of the sample represented by the numbers below?
4544356342
(Note that if you compare this question to the paper version of the practice final or the
video reviews, one of the answers is slightly different. The correct one is listed here.) -
Answer -1.33
What type of variability is used to screen for data entry errors and outliers? - Answer -
Range
A problem with using the sample standard deviation to estimate the population standard
deviation is: - Answer -The sample standard deviation underestimates the population
standard deviation.
If variance is very low: - Answer -The individuals in the data set are very similar to each
other.
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