Question: Five laboratories (A, B, C, D and E) determined the concentration of lead naturally occurring in soils in mg/kg and obtained the following results

Five laboratories (A, B, C, D and E) determined the concentration of

Five laboratories (A, B, C, D and E) determined the concentration of lead naturally occurring in soils in mg/kg and obtained the following results as shown in the table below. Laboratories A B C D E Replicate 1 22 29 17 16 30 Replicate 2 22 18 18 19 25 Replicate 3 18 21 19 18 24 Replicate 4 17 20 23 18 27 Perform analyse of variance and test if the five laboratories yields significantly different results. Take a = 0.05 (20 marks)

Step by Step Solution

★★★★★

3.41 Rating (151 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To analyze the variance and test if the five laboratories yield significantly different results we c... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Find the best alternative using incremental IRR analysis. A B D Initial cost $2000 4000 5000 3000 Annual benefit 800 1300 500 400 Salvage value 1400 2000 1500 3000 Life, in years 6 4 MARR required 6%...

As shown in the table below where the demand level is composed of two states only (Low and High) and an estimate of their probabilities is given, answer the following questions. Show your work Demand...

The concentration of lead ions in a sample of polluted water that also contains nitrate ions is determined by adding solid sodium sulfate (Na2SO4) to exactly 500mL of the water. (a) Write the...

Intravenous infusion fluids produced by three different pharmaceutical companies (Cutter, Abbott, and McGaw) were tested for their concentrations of particulate contaminants. Six samples were...

LONG-LIVED ASSETS Refer to the notes to the financial statements.The first note, "Summary of Significant Accounting Policies," should provide information about the company's depreciation and...

Math\t107-6381\t-\tQuiz\t#4\t-\tSchultz\t-\tDue\tFebruary\t21,\t2016\t-\tpage\t1\tof 3 Follow\tthese\tdirections\tcarefully. This\tquiz\tis\tdue\tby\t11:59\tEastern\ttime\ton\tFebruary\t21,\t2016. o...

uestion: 1. IN A STOCK ACQUISITION ACCOUNTED FOR BY THE EQUITY METHOD, A PORTION OF THE PURCHASE PRICE OFTEN IS ATTRIBUTABLE TO GOODWILL OR TO SPECIFIC ASSETS OR LIABILITIES. HOW OR UNDER WHAT BASIS...

Create charts to better understand data sets. For cross-sectional data, use a scatter chart. For time series data, use a line chart. Linear y = a + bx Logarithmic y = ln(x) Polynomial (2nd order) y =...

(Chapter 13) Instructions: a. You will work on this assignment in groups of two people. b. The statistical package Minitab MUST be used to do the assignment. c. Include the Minitab outputs of your...

CASE7 Apple Inc.: Performance in a Zero- Sum World Economy Moustafa H. Abdelsamad, Hitesh ( John) Adhia, David B. Croll, Bernard A. Morin, Lawrence C. Pettit Jr., Kathryn E. Wheelen, Richard D....

1.question: Mark Goldsmith's broker has shown him two bonds issued by different companies. Each has a maturity of 5 years, a par value of $1,000, and a yield to maturity of 7.60%. The first bond is...

Managerial Accounting Problem Note: This is a fairly long problem, a positive review will be provided for a quality answer. Instructions Note: Refer to Sassy Shoes (1)-(3) then, List the Advantages...

Suppose you're working on a large project in your organization, and you focus on independent tasks. This causes a clash with others in your organization, who wish to focus on just getting the job...

pter 11 Saved E11-14 (Algo) Comparing 100 Percent Stock Dividend and 2-for-1 Split [LO 11-3] On July 1, Jones Corporation had the following capital structure: Google G Enter yo "neenap Common Stock,...

Indicate the incorrect statement An advocate carries out the following duties: (1) Legal opinion (2) Litigation (3) Drafts legal documents (4) Gives briefs to attorneys

The former campus of Loyang Primary School will be put to new use as part of a plan to refresh state properties, with a childcare centre slated to open in a two-storey building there. The Singapore...

If your company has revenues of $21,795 and cost of revenues of $8,621----What is your companys gross profit?

A. Select a recent issue (paper or online) of Report on Business Magazine, Canadian Business Magazine (online only), Bloomberg Businessweek, Fast Company, The Economist, or another business magazine....

'Japanese companies that have used just-in-time (JIT) for five or more years are reporting close to a 30 per cent increase in labour productivity, a 60 per cent reduction in inventories, a 90 per...

The graphs shown below show cost-volume- profit relationships as they are typically represented in (i) management accounting and (ii) economic theory. In each graph T = total revenue, TC = total...

Data: The Eastern Division of Countryside Communications plc assembles a single product, the Beta. The Eastern Division has a fixed price contract with the supplier of the materials used in the Beta....

6.3 Describe different theoretical perspectives on dissociative disorders.

5.2 Describe the key features of panic disorder.

T F Exposure to combat is the most common trauma linked to posttraumatic stress disorder (PTSD). (p. 150)