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Significance test / p-value p <= 0.05, Reject H0 Result: Sample mean is statistically significant OR p <= 0.05, Accept H0 Result: Sample mean is statistically insignificant ^RJk243Cx
t test: Difference in hypothesized or presumed mean ^Y7fhU7Ye
Single Sample ^mt0MPJUj
Two Sided ^bSuRllVh
One Sided ^0C5pc9VM
Paired ^c3u9VBlm
Q. Can we make inference on wider population ? ^lMvsonYq
H1:There is a difference in mean life expectancy ^Us8HTO0W
H0:There is no difference in mean life expectancy ^TjS0JBAK
Q. Is there any difference in mean for? (not vector direction) ^y3CfmZIq
Q. Is a distance of this (specific) magnitude statistically significant ? ^CFsMsnOn
life expectancy in Ireland ^0AsrofI4
life expectancy in Swizerland ? ^Z4B5oTKS
ONE TAILED T TEST ^XUIlM0jz
Q. All same principals apply: 1. one-sided, 2. two-sided and are they significant ? ^2qWNbF0J
counterpart in each observation like data from different years: 1957 & 2007 of a country ^CFfBVWwO
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