. Suppose the average weight of the residents of town ABC is 160 lbs. A nutritionist believes that the true average weight is different based on his experience. He measured the weight of 45 individuals and found the mean to be 165 lbs with a standard deviation of 3.6. a) At a 90% condence level, is there enough evidence to reject the null hypothesis? (use the pvalue method) b) At a 95% condence level, is there enough evidence to reject the null hypothesis? (use the p-value method)