This quiz: 6 point(s) possible Quiz: Exam 4 Chapter 5 Question 2 of 6 > This question: 1 point(s) possible Submit quiz Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Click the icon to view the data table. The mean is u = girl(s). (Round to one decimal place as needed,) The standard deviation is o = girl(s). (Round to one decimal place as needed.)