In the example above, the data analysts point out that the goodness of fit (multiple R2) is 0.74. What does this mean? This means that a customer's level of income predicts 74 percent of his or her increase (or decrease) of monthly food expenditure. This means that a customer's level of income predicts only 7.4 percent of his or her increase (or decrease) of monthly food expenditure. This means that the claim that level of income predicts food expenditure is not supported by the outcome of the regression