Open StatCrunch Variance Stats one sample with data sample variance → → → → n = 20 select Hypothesis test for : = = 8.41, 2.0589982^2=4.2394736→ → : < 8.41 compute → P-value: 0.0374 Conclusion: Since P-value (0.0374) is less (0.05), reject the . There is sufficient evidence to support than α the claim that the standard deviation of heights of major-league baseball is less than 2.9 inches.
Open StatCrunch → Variance Stats → one sample → with data → sample variance 2.0589982^2=4.2394736→ n = 20 → select Hypothesis test for : = = 8.41, : < 8.41 → compute P-value: 0.0374 Conclusion: Since P-value (0.0374) is less than α (0.05), reject the . There is sufficient evidence to support the claim that the standard deviation of heights of major-league baseball is less than 2.9 inches.