The average number of cocktails that residents of my nursinghome drink weekly is normally distributed with mean of 12 cocktailswith a standard deviation of 3 cocktails. If you take severalgroups of 12 residents (residential wings) and get the averageamount of drinks consumed weekly for these groups, what is the meanand standard deviation of this new distribution?
options:
mean = 144 SD = 36 ,mean = 12 SD = 3 ,mean = 144 SD = 10.39,mean = 12 SD = .87