Chapter 9- Learning objectives Explain the difference between a point and an interval estimate Construct and interpret confidence intervals. with a z for the population mean or proportion with a t for the population mean Determine appropriate sample size to achieve specified levels of accuracy and confidence C 2002 The Wadsworth g
Contents x section a- The microbial world Section 1- The Chlorophyta and t Sectionb-Microbial metabolism Protista D Section C-Information storage and Section J-The viruses
Lead-in Questions 1. Are you iron deficient 2 How would you know? a, tired b have reduced ability to exercise. C have poor stamina d get frequent infections e are lethargIc