# Question: As you discovered earlier ordinal data are data about order

As you discovered earlier, ordinal data are data about order or rank given on a scale such as 1, 2, 3, . . . or A, B, C, . . . . Most statisticians recommend using the median to indicate the center of an ordinal data set, but some researchers also use the mean. In the paper "Measurement of Ethical Food Choice Motives" (Appetite, Vol. 34, pp. 55-59), research psychologists M. Lindeman and M. Vaananen of the University of Helsinki published a study on the factors that most influence people's choice of food. One of the questions asked of the participants was how important, on a scale of 1 to 4 (1 = not at all important, 4 = very important), is ecological welfare in food choice motive, where ecological welfare includes animal welfare and environmental protection. Here are the ratings given by 14 of

a. Compute the mean of the data.

b. Compute the median of the data.

c. Decide which of the two measures of center is best.

a. Compute the mean of the data.

b. Compute the median of the data.

c. Decide which of the two measures of center is best.

**View Solution:**## Answer to relevant Questions

Some data sets contain outliers, observations that fall well outside the overall pattern of the data. (We discuss outliers in more detail in Section 3.3.) Suppose, for instance, that you are interested in the ability of high ...The following dartboards represent darts thrown by two players, Tracey and Joan. For the variable “distance from the center,” which player’s board represents data with a smaller sample standard deviation? Explain your ...1, 2, 4, 4 We have provided simple data sets for you to practice the basics of finding measures of variation. For each data set, determine the a. Range. b. Sample standard deviation. Each year, Forbes magazine compiles a list of the 400 richest Americans. As of September 17, 2008, the top 10 on the list are as shown in the following table. Person Wealth ($ billions) William Gates III ...As reported by the U.S. Census Bureau in Current Population Reports, the percentage of adults in each state and the District of Columbia who have completed high school is provided on the WeissStats CD. The technology of your ...Post your question