Calculate the standard deviation for all possible sales when Lemon Odor(N=25) was spread in the restaurant? (Round up to the hundredth place.) Show your work. Summary of the above data No Odor(N=27) Lemon Odor(N=25) X 475.1 452.5 X 2 8,515 8,306.7 In order to find out what effect the Lemon odor has on customer spending, calculate the mean and the standard deviation for the following group. (Round your answers to the nearest hundredths) 2. For the group: Lemon odor, calculate a. The mean is 18.1 b. Standard deviation is 2.20