null hypothesis造句

• As a result, the denominator and numerator should be about equal if the null hypothesis is true .
  因此，如果無效假設為真，那么分母和分子應該差不多相等。
• The term null hypothesis arose from earlier agricultural and medical applic ation of statistics .
  無效假設這個概念產生于早期的統計學在農業和醫學方面的應用中。
• The city manager should accept the null hypothesis that there is no difference between the two methods of tax listing .
  市政府官員應該接受兩種征稅登記方法沒有差別這個無效假設。
• It is difficult to refuse null hypothesis of random walk when employing monthly data in empirical test
  ( 2 )采用月數據分析很難拒絕隨機游走假設。
• The limiting distribution of test statistic under null hypothesis is proved to be the function of a standard brownian
  在原假設下證明了統計量的極限分布是標準brown運動的泛函。
• If this increase is large enough relative to the ssr in the model with all of the variables , then we can reject the null hypothesis
  如果相對于包括所有解釋變量的模型,新的ssr的上升足夠大的話,那么我們就能拒絕原假設
• The null hypothesis is that ? 1 - ? 2 = 0 where ? 1 is the mean time to respond after consuming alcohol and ? 2 is the mean time to respond otherwise
  當? 1表示喝酒者的平均反應時間，而? 2表未喝酒者的平均反應時間，則此虛無假設為? 1 - ? 2 = 0 。
• In the first case the prediction of earthquakes is a null hypothesis ; in the second case the prediction of some earthquakes might be possible
  在頭一種情況下，預測地震是無價值的假定；在后一種情況下，對某些地震進行預測是有可能的。 ”
• In the first case the prediction of earthquakes is a null hypothesis ; in the second case the prediction of some earthquakes might be possible
  在頭一種情況下，地震的預測是一個無意義的假定；在后一種情況下對某些地震進行預測可能是可能的。 ”
• Fourth , despite these high costs , the time has passed that policy makers should still be acting on the null hypothesis that global warming will not occur
  第四，盡管付出很高的代價，但是由政策制定者們來決定全球變暖的假設是否會實現的時代已經過去了。
• It's difficult to see null hypothesis in a sentence. 用null hypothesis造句挺難的
• Statistical techniques , including multi - regression , cluster analysis , and discriminant analysis , were employed to test ten null hypotheses
  本研究以世界銀行發展報告書的統計為依據，共選定1970年、 1975年、 1980年、 1985年、 1990年、 1995年各國高等教育在學率為分析資料。
• The a - level is the probability of rejecting the null hypothesis when the null hypothesis is really true , that is , finding a significant association when one does not really exist
  水平，是當0假設為真時拒絕0假設的概率，即，在某事件并非真的成立時所找出的有意關聯。
• The likelihood ratio tests indicate the null hypothesis of exact linear aggregations and identical preferences across income groups are rejected by the sample data
  檢定統計量概似比值顯示樣本資料拒絕需求模式設定?線性加總，和不同所得組別需求偏好結構是一致之虛無假說。
• Fourth , despite these high costs , the time has passed that policy makers should still be acting on the null hypothesis that global warming will not occur
  第四，盡管代價巨大，但是已經到了決策者們必須下定決心的時候了，而不應該仍然不斷重復著“全球變暖不會發生”這種無謂的假設。
• The limiting distribution of the test under null hypothesis is obtained . the number of change points can be estimated via the test procedure . we showed that the estimator is consistent
  在原假設下得到檢驗統計量的極限分布；在假設檢驗過程中得到變點個數與變點位置的估計，并證明估計的一致性。
• You pop out an interesting topic ; the rest add values and opinions to it ( not simply overthrow your null hypothesis ; and i don ' t think that anybody treats it a null hypothesis )
  在論壇里，你提出一個讓大家感興趣的題目，大家七嘴八舌的發表自己相關的看法（并不是推翻的你的虛無假設，況且你的題目是不是一個嚴格的虛無假設還待商榷） 。
• If the probability of obtaining a t statistic is low , then you can reject the null hypothesis that the mean is the best predictor and , correspondingly , gain confidence that a simple linear model offers a good fit for the data
  如果獲取t統計值的概率很低，那么您可以否定均值是最佳預測值這個無效假設，與此相對應，也就確信簡單線性模型與數據非常吻合。
• In this paper the principles of hypothesis test are probed into from the actual simple example , and such problems as the choice of null hypothesis , sample size , test power are also analyzed and discussed
  摘要從簡單的實例入手探討假設檢驗的基本思想和假設檢驗的基本步驟，并對建模中的原假設的選擇、所需樣本數據個數、檢驗功效的判斷等問題作了分析研究。
• Compared with the hypothesis tests and sampling inspections for normal distribution , the confidence tests can overcome the disadvantage that to accept a null hypothesis may simply mean that it is not rejected by significance hypothesis tests , and greatly improve the test precision
  置信檢驗克服了顯著性假設檢驗在接受原假設時缺乏說服力的弱點，能夠以高概率判斷正態母體特征值是否滿足工程中規定的條件。