H0 because the p-value is the significance level. There is evidence that the mean BMI at the end of camp is the mean BMI at the start of camp. g. Do the differences in BMl values need to be normally distributed in order for the inference, part f, to be valid? Explain. Choose the correct answer below. A. Yes; the differences must be normally distributed because the data are paired. B. No; as long as the distribution of each sample is approximately normal, the differences do not need to be. C. No; the sample size is large enough that the Central Limit Theorem applies. D. Yes; in order to make valid small-sample inferences about μd, the differences need to be normally distributed.