A hypothesis test is performed to answer the question, "Does at least one of the explanatory variables help to predict the response variable?" Four hypotheses are given below. For each, determine if it's the null hypothesis, the alternative hypothesis, or neither. neither At least one of the explanatory variables helps to predict percent body fat among women college athletes. alternative hypothesis All of the explanatory variables help to predict percent body fat among women college athletes. neither None of the explanatory variables help to predict percent body fat among women college athletes. null hypothesis