What does the null hypothesis typically state in a paired sample t-Test?
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In a paired sample t-test, the null hypothesis (H₀) typically states that there is no difference in the means of the paired observations. In other words, it assumes that the mean of the differences between the paired values is zero.
Example: "There is no difference in the mean weight before and after a diet program.
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there is no difference between the means between the two related groups