STP 231 Lecture Notes - Lecture 29: Sample Size Determination, Test Statistic, Standard Deviation
Document Summary
Clay-composite poker chips used in las vegas and atlantic city weigh between. 8. 5 and 10 grams each, and last between 3 and 6 years. In a recent study of poker-chip weights, a casino obtained independent random samples of and. The summary statistics of the two samples are given below. Assume both populations are normal, and use =0. 05. 1 = mean weight of chips. 2 = mean weight of chips. Se1 = s1/sqrt(n1) same for se2, but with the parts with sub 2. Use smaller df of the two populations, so df = 8.
