Which of the following best describes the variability of T1 and T2 ? Tị has a lower variability compared with T2. Tị has a higher variability compared with T2 . Tị has the same variability as T2 . Which of the following statements is true? Tz is relatively more efficient than T, when estimating 0. T, is relatively more efficient than T2 when estimating 0. You cannot compare the relative efficiency of T1 and T2 when estimating 0.

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