Explanation:In statistics, polychoric correlation is a technique for estimating the correlation between two theorized normally distributed continuous latent variables, from two observed ordinal variables. 7. Which of the following is used to plot multiple histograms ?
A. multi.plot()
B. multi.hist
C. xyplot.multi()
D. All of the mentioned
Answer:A
Explanation:In statistics, polychoric correlation is a technique for estimating the correlation between two theorized normally distributed continuous latent variables, from two observed ordinal variables. 7. Which of the following is used to plot multiple histograms ?
A. multi.plot() B. multi.hist C. xyplot.multi() D. All of the mentioned
Explanation:A histogram is a graphical representation of the distribution of numerical data. 8. Which of the following count the number of good cases when doing pairwise analysis ?