19. A random survey of 1000 students nationwide showed a mean ACT score of 21.8. Ohio was not used. A survey of 500 randomly selected Ohio scores showed a mean of 20.3. The population standard deviation is 3. The goal of the study is to decide if we can conclude that Ohio is below the national average. Use = 0.01. What would be the hypotheses. Identify the claim. What would be the critical value(s). A) ±2.58 esc B) +2.33 C) 2.58 D) 2.33 MyF

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