Refer to the accompanyingtable, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five.

attached is the data table.

The mean is --------sleepwalker(s). (Round to one decimal place asneeded.)

The standard deviation is ------ sleepwalker(s). (Round to one decimal place as needed.)

Table of numbers of sleepwalkers and probabilities P(x) 0. 188 0.354 U A W N - O X 0.312 0.118 0.026 0.002