生統實習報告 Paired t test調查報告
- 12. Shape Color d= A- B
1min14s 1min05s 9s
30s 34s -4s
28s 27s 1s
48s 1min11s -23s
32s 24s 8s
20s 17s 3s
32s 39s -7s
58s 32s 26s
31s 31s 0s
45s 20s 25s
數據資料
n= 10
df = 9
𝑑 = 3.8 s
𝑠2
= 211.73
- 13. 資料分析
1. H0 : 𝜇 𝑑 = 0
2. Ha : 𝜇 𝑑 > 0
3. Assumption :
完成記憶測驗的時間為常態分佈
所取樣出的受測者為隨機
4. α = 0.05
5. critical region : df=9 t1=1.833
6. t =
3.8−0
211.73/10
= 0.83