\\Stata for Business & Economlu: Study Guide for Exam #4 (Optional Exam) (Spring 2022) Use this as a guide to help you prepare for this optional exam. You should know the topics listed in depth (Chs. 10 & 12). The exam will consist of multiple-choice questions, true-false questions, and applied problem questions. The exam will be available under Unit 4 via Blackboard. The Exam #4 is due by 11:59PM on Tuesday (4/26). Note, late exams will score a zero. Also, if you decide to not take this exam, a zero will appear. and Blackboard will score your other scoresfar Exams #1 -#3. am le'l' ts -Tests an lsisofVariance h. 10.1 10.2 .5 0 Understand examples of independent simple random samples. 0 Know how to calculate for the point estimate of two populations. 0 Understand when to use the pooled-variance t. 0 Understand the symbols of the tstatistic formula and be able to identify it. 0 Understand the critical value rule for rejecting the null hypothesis. 0 Understand how to accept or reject the null hypothesis if you have a t critical value approach. 0 Understand the denition of paired/matched samples and be able to identify examples. 0 Understand paired t test for the mean difference. 0 Know what a one-way analysis of variance (ANOVA) means. 0 Understand when an ANOVA is the appropriate analytical technique to use. I Know how to calculate for the overall mean or the mega mean across the groups. 0 Know and be able to identify the different types of AN OVA hypotheses (c.g., null; alternative). 0 Understand the three ANOVA assumptions. 0 Know the one-way ANOVA F test assumptions. 0 Distinguish between the estimates used in wi ' -group estimates of population variance and the estimates used in among-group estimates of population variance. - - x - ~ . - .- u, - are the van'ance estimates (e.g., F test). statistical value using the