According to a recent? publication, the mean price of new mobile homes is ?$ 64 comma 400 64,400. Assume a standard deviation of ?$ 7200 7200. Let x overbar x denote the mean price of a sample of new mobile homes. a. For samples of size 50 50?, find the mean and standard deviation of x overbar x. Interpret your results in words. b. Repeat part? (a) with n equals = 100 100. Question content area bottom Part 1 a. For ? the 50 mobile homes sampled, samples of 50 mobile homes, the mean and standard deviation of ? the prices of the mobile homes all possible sample mean prices are ?$ ?? enter your response here and ?$ ?? enter your response here ?, respectively. ?(Round to the nearest cent as? needed.) Part 2 b. For ? the 100 mobile homes sampled, samples of 100 mobile homes, the mean and standard deviation of ? all possible sample mean prices the prices of the mobile homes are ?$ ?? enter your response here and ?$ ?? enter your response here ?, respectively. ?(Round to the nearest cent as? needed.)