Can we infer from the data that liberals, moderates, and conservatives (POLVIEWS3: 1 = Liberal, 2 = Moderate, 3 = Conservative) differ in their views about the federal income tax that they have to pay (TAX: Do you consider the amount of federal income tax that you have to pay as too high, about right, or too low: 1 = Too high, 2 = About right, 3 = Too low)?