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| 19.Which of the hypotheses tests below are two-tailed? 1. A school administrator believes that recent TAKS test scores are above the national average. 2. A car dealer believes that the average value of used cars has changed since the recession.3. A Texas state senator has taken a sample of his constituents that indicates their incomes are below the historical state average. The senator asserts that Texas incomes have fallen. (Points : 3) |
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