Question

The Dow Jones company calculates a number of stock market index numbers that are used as indicators of the performance of the New York Stock Exchange. The best known of these is the Dow Jones Industrial Average (DJIA), which is calculated based on the performance of 30 stocks from companies categorized as general industry. Observations for each of the 30 companies in the DJIA are shown in Table 2.6.7.
a. What is an elementary unit for this data set?
b. What kind of a data set is this: univariate, bivariate, or multivariate?
c. Which of these variables are quantitative? Which are qualitative?
d. If there are any qualitative variables in this data set, are they nominal or ordinal?
e. Is this cross-sectional or time-series data?


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  • CreatedNovember 11, 2015
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