Question

Inc. Chapter 6.3, 6.4 Classwork 1. Use the population {34, 36, 41,51} of the amounts of caffeine (mg/12 oz) in Coca-Cola Zero, Diet Pepsi, Dr. Pepper, and Mellow Yello Zero. Assume that random samples of size n = 2 are selected with replacement. a. After identifying the 16 different possible samples, find the mean of each sample. b. Construct a table representing the sampling distribution of the sample mean.

Please indciate whch part is for A and which is For B thank you

Answer 1

24 - Assuming that random sample of size ne 2 are Selected with replacenget then possible outcomes are listed below! -There 42 com = 16 combinations.OF_{34,36,41,513 Xi iz mean (sample) Xi _ Xps ample mean (34.34) (41,34) 37.5. (34,36) 85 (41,36) 38.5 (34,41) 375 (41,410 41 | (34,51) 4215 (41,51 (36,34) 35 (51,34) 42.5 (36,36) (51,36). 43'5 (36:41) 3815 (51,41) 46 (36,51) 43.5 (51,51). 51 46 36 I The need of ID: 7² 5 = [Xi _4015. 340 192.25 26 OR X= ( 34,36,41151) il o el = {xi - 162 - 40.5 30.25 20:25 i 8/7 = {(xi-72 LED- īg 35 37.5 42.5 35 36 38.5 43.5 37.5 38.5 41: 46 42.5 43.5 46 iie xu (mean= 40.5, var = 115035] $X (mean = 40.5, var:23:061 0. 25 __ 0 2 6 4 . =) Xn (mean (x), var@)/ 30.25 51 110.25