BESC 3010 TEST ONE PREPARATION
QUESTIONS WITH COMPLETE
SOLUTIONS
What is the minimum level of measurement needed to calculate the mode?
nominal
interval
ratio
ordinal - Answer-nominal
Which of these measures is LEAST affected by outliers?
standard deviation
geometric mean
median
mean - Answer-median
What is the minimum level of measurement needed to calculate the median?
interval
ratio
nominal
ordinal - Answer-ordinal
What is the mean for these data?
3, 1, 2, 5, 3, 4
6
3
cannot be calculated
3.5 - Answer-3
In a negatively skewed distribution, which measure will generally have the highest
value?
mode
median
all are the same
mean - Answer-mode
Which measure of central tendency is MOST influenced by outliers?
mode
all are the same
, median
mean - Answer-mean
In a positively skewed distribution, which measure will generally have the highest value?
median
mean
mode
all are the same - Answer-mean
What is the minimum level of measurement needed to calculate the mean?
ratio
ordinal
nominal
interval - Answer-interval
Which measure of central tendency is most appropriate for skewed distributions?
median
mean
no measure is appropriate
mode - Answer-median
Which measure requires a degrees of freedom calculation?
population range
sample variance
population standard deviation
sample IQR - Answer-sample variance
A narrow distribution that is sharply pointed in the middle and that has many outliers is
also called _____.
leptokurtic
negatively skewed
platykurtic
positively skewed - Answer-leptokurtic
What is the range for this data set?
5, 1, 2, 6, 5
cannot be calculated
6
2
5 - Answer-5
If the formula for the population standard deviation were used with sample data, then
result would be...
impossible to calculate
QUESTIONS WITH COMPLETE
SOLUTIONS
What is the minimum level of measurement needed to calculate the mode?
nominal
interval
ratio
ordinal - Answer-nominal
Which of these measures is LEAST affected by outliers?
standard deviation
geometric mean
median
mean - Answer-median
What is the minimum level of measurement needed to calculate the median?
interval
ratio
nominal
ordinal - Answer-ordinal
What is the mean for these data?
3, 1, 2, 5, 3, 4
6
3
cannot be calculated
3.5 - Answer-3
In a negatively skewed distribution, which measure will generally have the highest
value?
mode
median
all are the same
mean - Answer-mode
Which measure of central tendency is MOST influenced by outliers?
mode
all are the same
, median
mean - Answer-mean
In a positively skewed distribution, which measure will generally have the highest value?
median
mean
mode
all are the same - Answer-mean
What is the minimum level of measurement needed to calculate the mean?
ratio
ordinal
nominal
interval - Answer-interval
Which measure of central tendency is most appropriate for skewed distributions?
median
mean
no measure is appropriate
mode - Answer-median
Which measure requires a degrees of freedom calculation?
population range
sample variance
population standard deviation
sample IQR - Answer-sample variance
A narrow distribution that is sharply pointed in the middle and that has many outliers is
also called _____.
leptokurtic
negatively skewed
platykurtic
positively skewed - Answer-leptokurtic
What is the range for this data set?
5, 1, 2, 6, 5
cannot be calculated
6
2
5 - Answer-5
If the formula for the population standard deviation were used with sample data, then
result would be...
impossible to calculate
