A population has a mean muequals156 and a standard deviation sigmaequals23. Find the mean and standard deviation of the sampling distribution of sample means with sample size nequals48. Question content area bottom Part 1 The mean is mu Subscript x overbarequals enter your response here​, and the standard deviation is sigma Subscript x overbarequals enter your response here. ​(Round to three decimal places as​ needed.)