Fostering students' self-study ability in teaching some knowledge of Mechanics and Electromagnetism in high school Physics with the support of social network Facebook - 21
At the output: Calculated: S = 0.92 and t = 1.59. Look up the Students table with significance level α = 0.05 and degrees of freedom f = n TN +n DC - 2 = 307, we have t α = 1.96. The result of calculating t and comparing t with t α , shows that: |t| t so the difference between (X TN and ...