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Probability & Statistics
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Statistical Inference
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Hypothesis testing
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194.
Definition of Null Hypothesis
easy
What is the null hypothesis in hypothesis testing?
A
A default assumption of no effect or no difference that the test attempts to reject
B
A claim that the observed data is drawn from a non-normal distribution
C
A statement asserting that the experimental treatment produces a statistically significant result
D
A probability threshold below which the null hypothesis is automatically accepted
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