Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 14 stations last Tuesday, the correlation was 0.79.   The following hypotheses are given. H0: ρ ≤ 0 H1: ρ > 0 a. State the decision rule for 0.050 significance level. (Round your answer to 3 decimal places.) reject H0  if t >

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Q: Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of…

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Q: Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements…

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