Please solve the following problems. In a study of the relationship between household behavior and shopping behavior, data on the following lifestyle statements were obtained on a 7-point scale (1=strongly disagree, 7=strongly agree).

V1: I would rather spend a quiet evening at home than go out to a party

V2: I always check prices, even on small items.

V3: Magazines are more interesting than movies.

V4: I would not buy products advertised on billboards.

V5: I am a homebody.

V6: I save and cash coupons.

V7 Companies waste a lot of money advertising.

The data obtained from a pretest sample of 25 respondents are provided in a separate file.

1. Analyze this dataset using principal components analysis, using the varimax rotation procedure. (KMO and Bartletts test for sphericity)

2. Interpret the factors extracted.