Identify each of the variables with one factor only. Also find the communality of each variable.
Answer to relevant QuestionsA survey by an electric company contains questions on the following: 1. Age of household head. 2. Sex of household head. 3. Number of people in household. 4. Use of electric heating (yes or no). 5. Number of large appliances ...Discuss the differences among the three measures of centrality. For the following stock price one-year percentage changes, plot the data and identify any outliers. Find the mean and median. Intel .......... -6.9% AT&T ........ 46.5 General Electric ..... 12.1 ExxonMobil ....... ...Check the applicability of Chebyshev's theorem and the empirical rule for the data set in problem 1-14. In problem 12.5, 13, 14.8, 11, 16.7, 9, 8.3, -1.2, 3.9, 15.5, 16.2, 18, 11.6, 10, 9.5 What is a hit ratio? Will a hit ratio of 67% be sufficient when one group has 100 observations, another group has 200 observations, and the ratio of these groups is believed to reflect their ratio in the population? Explain.
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