Based on the data below, what is the Cronbach's alpha coefficient? Subject Trial 1 Trial 2 1 5 2 2 3 5 4 3 а. 60 O b. 53 O C. 49 O d.44 326 53

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A: n1 = 10 , n2= 15 X1¯=12 , X2¯=15.5  s1 = 10 , s2= 10 α=0.05

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Q: Based on the data below, what is the Cronbach's alpha coefficient?

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