. In a small community consisting of 153 families, the number of families that have k children (k = 0, 1, 2, . . .) is given in the following table: Number of Number of children families 0 21 1 40 2 42 3 27 4 or more 23 Determine the mean and the median of the number of children per family. (For the mean, assume that all families with four or more children have only four children. Why doesnt this point matter for the median?)

STAT-5615: Statistics in Research I Lecture 8 Two Sample t-tests for Independent Samples) Ott & Longnecker 6.1, 6.2 Dr. Christian Lucero Virginia Tech Fall 2016 Brief Review So far we have covered the fundamental ideas and techniques of statistical inference: I Foundations of random sampling I Probability...