In testing for differences between the means of two related populations, the null hypothesis is

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The null hypothesis in testing for differences between the means of two related populations is often that there is no difference between the means (i.e. the difference between the means is equal to 0). Choice B explicitly states this null hypothesis, making it the best choice. The other choices do not provide a clear and accurate statement of the null hypothesis in this context. The null hypothesis in testing for differences between the means of two related populations is that there is no difference between the means of the two populations. Choice B is the only option that reflects this null hypothesis. Choices A, C, and D do not accurately represent the null hypothesis.

In Testing for Differences Between the Means of Two Related