[After Work Side Projects] Big Data Analytics Engineer Practical Exam (Task Types 1, 2, 3)
I will guide non-majors and beginners to quickly pass the Big Data Analysis Engineer practical exam! Theory lightly, practice thoroughly. Even without complex background knowledge, focusing on past questions, we intensively study only the points sure to appear on the exam.
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[Task Type 3] Is this a paired sample problem or an independent sample problem?
Is this a paired sample problem or an independent sample problem?
https://www.kaggle.com/code/agileteam/t3-ttest-ind/notebook
[Solution] At first glance, it can be understood as before and after, so it is a problem that can be confusing as to whether a paired sample or an independent sample hypothesis test is needed. Please carefully consider whether the same group or different groups are being targeted!