Question 6 0.1 pts Correlation and Bi-Variate Regression. The AudioTex Company is a direct marketer of stereo equipment, personal computers, and other electronic products. AudioTex maintains a web based site, but advertises largely by mailing catalogs to its customers. Orders are taken over the phone and via the internet. There are no physical stores. The data are for a random sample of 1,000 customers of the company at the end of the previous year. The following are the key variables: Dependent Variable: SALES Annual sales in dollars Independent Variables GENDER Dummy Variable OWNHOME Dummy Variable MARRIED Dummy Variable Married 1 = Male 1 = Yes 0 = No 1 = Married 0 = Not 0 = Female INCOME Income of the household in dollars CHILDREN Number of children in the household Number of catalogs sent to the house in the CATALOGS last year The following is the correlation matrix. SALES GENDER OWNHOME MARRIED INCOME CHILDREN CATALOGS SALES 1.0000 GENDER 0.1950 1.0000 OWNHOME 0.3480 0.0844 1.0000 MARRIED 0.4711 0.1161 0.2640 1.0000 INCOME 0.6845 0.2583 0.4494 0.6652 1.0000 CHILDREN -0.2248 -0.1055 -0.0323 0.0098 0.0479 1.0000 CATALOGS 0.4664 0.0874 0.0931 0.1371 0.1779 -0.1135 1.0000 Which variable has the highest correlation with SALES? O CATALOGS OWNHOME O MARRIED O INCOME