Read More
Date: 6-2-2021
1237
Date: 8-2-2021
2241
Date: 1-5-2021
1762
|
Given two paired sets and of measured values, the paired -test determines whether they differ from each other in a significant way under the assumptions that the paired differences are independent and identically normally distributed.
To apply the test, let
(1) |
|||
(2) |
then define by
(3) |
This statistic has degrees of freedom.
A table of Student's t-distribution confidence intervals can be used to determine the significance level at which two distributions differ.
REFERENCES:
Goulden, C. H. Methods of Statistical Analysis, 2nd ed. New York: Wiley, pp. 50-55, 1956.
|
|
دراسة يابانية لتقليل مخاطر أمراض المواليد منخفضي الوزن
|
|
|
|
|
اكتشاف أكبر مرجان في العالم قبالة سواحل جزر سليمان
|
|
|
|
|
اتحاد كليات الطب الملكية البريطانية يشيد بالمستوى العلمي لطلبة جامعة العميد وبيئتها التعليمية
|
|
|