The introductory biology class at state university is conducting a study of water quality in their local community. the population mean of a certain beneficial bacteria found in drinking water (µ) is 100, with øx=25. the bacteria counts from the community are given below. use a two-tailed rejection region with a total area of 0.05. what should you conclude? 52 67 103 59 71 86 89 48 57 92 81 75 66 85 94 77