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Openai/691718ed-7ba4-8006-96d5-a66e0d9678fe
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==== - 如果我們設定顯著水準 α=0.05\alpha = 0.05α=0.05: - 這個結果 p=0.115>0.05p = 0.115 > 0.05p=0.115>0.05,所以 沒有足夠證據拒絕 H0H_0H0。 - 換句話說,雖然 520 vs. 480 看起來差了 20 個,但這個差異「統計上」還可能只是隨機。 ==== * 如果資料更極端,比如 560 vs. 440: - 計算得到的 p 值可能就會小於 0.05,這時我們就會拒絕 H0H_0H0,認為「男嬰出生率顯著高於女嬰」。
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