As you probably remember from earlier in the book, the mtcars built-in data set contains 11 measurements of 32 different cars from the 1970s

Statistics Oct 07, 2020

As you probably remember from earlier in the book, the mtcars built-in data set contains 11 measurements of 32 different cars from the 1970s. Conduct a principal com? ponents analysis of mtcars with an eye toward creating one or more composite scales. Report the steps you took and the decisions you made. Report the Cronbach’s alpha coefficients for the different combinations of items you considered.