Suppose that an appliance manufacturer is pre-testing a new make of fridge on atest market of 10 respondents. Each of the respondent is asked to rate the newfridge on three attributes: durability (X1), performance (X2), and style (X3), all ona 1 (terrible) to 10 (superb) scale. In addition, each respondent is asked whetheror not they would buy the fridge if it appeared on the market. The followingmodel estimates a linear discriminant model using X1 and X3. Which one of the following is the discriminant function?

> x1x3=1da (Decision~X1+X3 , data=hairexample) > x1x3 Call : 1da (Decision ~ X1 + X3, data = hairexample) Prior probabilities of groups: 0 1 0. 5 0.5 Group means : X1 X3 0 3.2 3.8 1 7.4 4.0\f