The distribution of weights of men in the American population is not symmetrical. Most weights are bunched together at the lower end of the distribution. As weights increase, there are fewer and fewer men with these weights. How would you describe the relationship between the mean, the median, and the mode in this distribution? (Hint: Drawing a picture of the distribution may be helpful.)
a. mode < median < mean
b. mean < median < mode
c. mean = median = mode
d. median < mode < mean
Question 2
The mean is used most often in behavioral research because researchers tend to
a. measure variables that have interval or ratio scores, and the scores form approximately normal distributions.
b. conduct research in which the mathematical center of a distribution is required.
c. conduct research in which only the most frequently occurring score is needed.
d. measure variables that have interval or ratio scores, and the scores usually do not form a normal distribution.
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