Download Milk.xlsx data set (attached). It shows data on four variables: Energy_kcal, Protein_g, Fat_g and Carb_g.
Perform PCA of the data.
Identify principal components that account for 80% of total variability.
State principal components as linear combination of given set of variables.
Explain how you will compute scores selecting one of the components.
Submit a Microsoft Word document, using APA style.
The relevant SPSS output should be copied to this document.