The accompanying data represent the ideal number of children for a random sample of 900 adults. Complete parts (8) (APB Click the icon to view the data about ideal numbers of children. 0.6- 0.5- 0.4- 0.3- 0.2- 0.1- 0 1 2 3 4 5 6 Number of Children. Q G Probability • 0 1 2 3 4 5 6 Number of Children (c) Compute and interpret the mean of the random variable X The mean is 24 children. (Round to one decimal place as needed.) Which of the following interpretations of the mean is correct? Q (d) Compute the standard deviation of the random variable X. The standard deviation is children. (Round to one decimal place as needed.) 0 1 2 3 4 5 6 Number of Children Q U A. If any number of adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. B. If many adults were surveyed, one would expect the mean ideal number of children to be the mean of the random variable. OC. The observed ideal number of children will be equal to the mean ideal number of children for most adults. D. The bserved ideal number of children will be less than the mean ideal number of children for most adults. 0 1 2 3 4 5 6 Number of Children RO

2x = 5 in Z15

dx S 16+4x2

Using the given data sample below, compute the following statistics: 9, 17, 13, 15, 8, ,8 , 9, 3 1. Range 2. Variance 3. Standard deviation