Multiple choices related to descriptive statistics
1. For which of the following situations is it appropriate to employ a scatter diagram or scatter plot?
a. Presenting two qualitative variables
b. Presenting one qualitative and one quantitative variable
c. Presenting two quantitative variables
d. All of the above
2. The only measure of central tendency that can be found for nominal data is the
a. mean
b. median
c. mode
d. midrange
3. The measure of central tendency that is most affected by a few large or small numbers is
a. mean
b. median
c. mode
d. range
4. When a distribution is bell-shaped, in the order of what percentage of data values will fall within one standard deviation of the mean?
a. 50%
b. 95%
c. 68%
d. 99.7%