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18-Env-B7 Environmental Sampling and Analysis: December 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Sampling Design, Environmental Data, and Statistical True/False
  2. Question 2 Paired T-Test for Two CO₂ Measurement Methods
  3. Question 3 Field-to-Laboratory Sample Protocol
  4. Question 4 Dotplot, Boxplot and Skewness of Nitrate Data
  5. Question 5 Terminology in Environmental Sampling and Analysis
  6. Question 6 An Environmental Monitoring Program

Start with Question 1 →

National Exams — December 2014 — 04-Env-B7 / Environmental Sampling and Analysis. 3 hours duration; open book (approved Sharp or Casio calculator only); t-distribution table supplied. Part A (Questions 1–3) is compulsory; Part B (Questions 4–6) asks for any two of three — all six are solved below for completeness. Each question is worth 20 marks.

Reference texts. Walpole, Myers, Myers & Ye, Probability & Statistics for Engineers and Scientists (statistical hypothesis testing, exploratory data analysis); Davis & Cornwell, Introduction to Environmental Engineering (6th ed.) (sampling design, QA/QC, environmental monitoring programs); U.S. EPA Guidance for Choosing a Sampling Design for Environmental Data Collection (QA/G-5S); Canadian Council of Ministers of the Environment (CCME) monitoring and reporting guidance.