BESC 3010 CH 3 TEST WITH COMPLETE
SOLUTIONS GRADED A+
What is the median for these data?
5, 1, 1, 3, 2 - Answer-2
Which of these measures is LEAST affected by outliers? - Answer-median
Which measure of central tendency is LEAST efficient? - Answer-mode
One visual difference between a bar chart and a histogram is that in a histogram... -
Answer-the adjacent bars touch but in a bar chart they are separate.
A normal distribution has a value of skewness that is _____. - Answer-near zero
A frequency bar graph would be most appropriate for which measurement scales? -
Answer-Nominal or ordinal
Which of these measures of central tendency works for nominal variables? - Answer-
Neither the mean nor the median works for nominal variables.
When a histogram for a quantitative variable has only one distinct peak, then the
distribution is referred to as... - Answer-unimodal
For which levels of measurement can you calculate the mode? - Answer-Both ordinal
and interval
Which of these measures is MOST affected by outliers? - Answer-the mean
Which of the following measures of central tendency can be used with data on the ratio
level of measurement? - Answer-The mean or the mode
What is the mean for these data?
4, 2, 3, 6, 4, 5 - Answer-4
Which measure of central tendency is always influenced by outliers? - Answer-the mean
What is the highest level of measurement? - Answer-the ratio
What is the mode for these data? - Answer-2
SOLUTIONS GRADED A+
What is the median for these data?
5, 1, 1, 3, 2 - Answer-2
Which of these measures is LEAST affected by outliers? - Answer-median
Which measure of central tendency is LEAST efficient? - Answer-mode
One visual difference between a bar chart and a histogram is that in a histogram... -
Answer-the adjacent bars touch but in a bar chart they are separate.
A normal distribution has a value of skewness that is _____. - Answer-near zero
A frequency bar graph would be most appropriate for which measurement scales? -
Answer-Nominal or ordinal
Which of these measures of central tendency works for nominal variables? - Answer-
Neither the mean nor the median works for nominal variables.
When a histogram for a quantitative variable has only one distinct peak, then the
distribution is referred to as... - Answer-unimodal
For which levels of measurement can you calculate the mode? - Answer-Both ordinal
and interval
Which of these measures is MOST affected by outliers? - Answer-the mean
Which of the following measures of central tendency can be used with data on the ratio
level of measurement? - Answer-The mean or the mode
What is the mean for these data?
4, 2, 3, 6, 4, 5 - Answer-4
Which measure of central tendency is always influenced by outliers? - Answer-the mean
What is the highest level of measurement? - Answer-the ratio
What is the mode for these data? - Answer-2
