Examlex
When the population variance or standard deviation is not known,you must use a t statistic instead of a z-score for a hypothesis test.
Irish Potato Famine
A period of mass starvation, disease, and emigration in Ireland between 1845 and 1849 caused by potato blight.
Emigrants
Individuals who leave their country of origin to live permanently in another country, often in search of better living conditions, job opportunities, or to join family.
Refugees
Individuals who are forced to leave their country in order to escape war, persecution, or natural disaster.
Blessing From God
A favor or gift bestowed by God, resulting in happiness, wellbeing, or a condition of being protected or sanctified.
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