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A/B testing
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1.
A/B Test Null Hypothesis
easy
In an A/B test, what is the null hypothesis typically?
A
The treatment group always performs better than the control group by the minimum detectable effect
B
The two groups have different baseline characteristics due to imperfect randomization
C
There is no difference in the metric of interest between the control and treatment groups
D
The observed metric difference is explained entirely by seasonal variation in user behavior
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