An experiment published in The American Biology Teacher studied the efficacy of using 95% ethanol or 20%
Question:
a. Are you willing to assume that the underlying variances are equal?
b. Using the information from part a, are you willing to conclude that there is a significant difference in the mean numbers of uncontaminated eggplants for the two disinfectants tested?
Transcribed Image Text:
Disinfectant Mean Variance 95% Ethanol 20% Bleach 4.80 3.73 2.78095 17143 15 15 Pooled variance 1.47619
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 37% (8 reviews)
a Check the ratio of the two variances using the rule of thumb g...View the full answer
Answered By
Ashington Waweru
I am a lecturer, research writer and also a qualified financial analyst and accountant. I am qualified and articulate in many disciplines including English, Accounting, Finance, Quantitative spreadsheet analysis, Economics, and Statistics. I am an expert with sixteen years of experience in online industry-related work. I have a master's in business administration and a bachelor’s degree in education, accounting, and economics options.
I am a writer and proofreading expert with sixteen years of experience in online writing, proofreading, and text editing. I have vast knowledge and experience in writing techniques and styles such as APA, ASA, MLA, Chicago, Turabian, IEEE, and many others.
I am also an online blogger and research writer with sixteen years of writing and proofreading articles and reports. I have written many scripts and articles for blogs, and I also specialize in search engine
I have sixteen years of experience in Excel data entry, Excel data analysis, R-studio quantitative analysis, SPSS quantitative analysis, research writing, and proofreading articles and reports. I will deliver the highest quality online and offline Excel, R, SPSS, and other spreadsheet solutions within your operational deadlines. I have also compiled many original Excel quantitative and text spreadsheets which solve client’s problems in my research writing career.
I have extensive enterprise resource planning accounting, financial modeling, financial reporting, and company analysis: customer relationship management, enterprise resource planning, financial accounting projects, and corporate finance.
I am articulate in psychology, engineering, nursing, counseling, project management, accounting, finance, quantitative spreadsheet analysis, statistical and economic analysis, among many other industry fields and academic disciplines. I work to solve problems and provide accurate and credible solutions and research reports in all industries in the global economy.
I have taught and conducted masters and Ph.D. thesis research for specialists in Quantitative finance, Financial Accounting, Actuarial science, Macroeconomics, Microeconomics, Risk Management, Managerial Economics, Engineering Economics, Financial economics, Taxation and many other disciplines including water engineering, psychology, e-commerce, mechanical engineering, leadership and many others.
I have developed many courses on online websites like Teachable and Thinkific. I also developed an accounting reporting automation software project for Utafiti sacco located at ILRI Uthiru Kenya when I was working there in year 2001.
I am a mature, self-motivated worker who delivers high-quality, on-time reports which solve client’s problems accurately.
I have written many academic and professional industry research papers and tutored many clients from college to university undergraduate, master's and Ph.D. students, and corporate professionals. I anticipate your hiring me.
I know I will deliver the highest quality work you will find anywhere to award me your project work. Please note that I am looking for a long-term work relationship with you. I look forward to you delivering the best service to you.
3.00+
2+ Reviews
10+ Question Solved
Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
Question Posted:
Related Video
In this video, A mixture of methanol and air in a large polycarbonate bottle is ignited. The resulting rapid combustion reaction, often accompanied by a dramatic ‘whoosh’ sound and flames, demonstrates the large amount of chemical energy released in the combustion of alcohol
Students also viewed these Statistics questions
-
An experiment was conducted to compare a teacher-developed curriculum, "Biology: A Community Context" (BACC) that was standards-based, activity-oriented, and inquiry-centered to the traditional...
-
Refer to Exercise 8.47. In addition to tests involving biology concepts, students were also tested on process skills. The results of pretest and posttest scores, published in The American Biology...
-
In a study published in the American Journal of Psychiatry (157:737744, May 2000), researchers wanted to measure the effect of alcohol on the development of the hippocampal region in adolescents. The...
-
Nisha has completed her MBA and has joined a company which was going to raise fund from long term sources such as Debt and Equity. Nisha was asked by her manager to prepare a report on which could be...
-
Mertz Company purchased land containing an estimated 5 million tons of ore for a cost of $8,800,000. The land without the ore is estimated to be worth $500,000. During its first year of operation,...
-
Show that Eq. 5.1 given for incompressible source satisfies the Laplace's Equation. Eq. 5.1 (x, y, z) = q 2 4x + y+z
-
Return to the waiting times given for the physicians office in Problem 20. a. Considering only offices without a wait-tracking system, what is the z-score for the 10th patient in the sample (wait...
-
The ultimate analysis of a No.4 fuel oil is 86.47 wt% carbons. 11.65% hydrogen, 1.35% sulfur, and the balance noncombustible inerts this oil is burned in a steam-generating furnace with 15% excess...
-
The Saleemi Corporation's $3,000 bonds pay 5 percent interest annually and have 13 years until maturity. You can purchase the bond for $800. a. What is the yield to maturity on this bond? b. Should...
-
Estimate the answers. 188,000/0.11
-
Chronic anterior compartment syndrome is a condition characterized by exercise-induced pain in the lower leg. Swelling and impaired nerve and muscle function also accompany this pain, which is...
-
A geologist collected 20 different ore samples, all of the same weight, and randomly divided them into two groups. The titanium contents of the samples, found using two different methods, are listed...
-
Answer the following questions and discuss them in class. Explain the distinction between fraud and misrepresentation
-
How does a rise in the rental price of capital affect a firm's demand for labor in the long run?
-
Why is it important to synchronize data and process models?
-
Although database systems have become the systems of choice for new and reengineered systems, are there any situations where a relational file-based system might be chosen instead? Explain your answer
-
Explain how a competitive firm selects the amount of labor it employs. Assume that the labor market is also competitive.
-
People and firms invest in human and physical capital. Both types of capital are durable goods, the benefits from which can last for many years. Entering into a credit agreement is often key in...
-
When Ali allocates his budget so as to maximize his utility, what does he buy and what is the marginal utility per dollar? The table shows the marginal utility that Ali gets from smoothies and...
-
MgO prevents premature evaporation of Al in a furnace by maintaining the aluminum as Al2O3. Another type of matrix modifier prevents loss of signal from the atom X that readily forms the molecular...
-
The accompanying table also shows the gestation period (in days) for some animals. The gestation period is the length of pregnancy. Graph the gestation period and describe the distribution. If there...
-
A StatCrunch survey asked people what they thought the maximum income tax rate should be in the United States. Make separate dotplots of the responses from Republicans and Democrats. If possible, put...
-
A StatCrunch survey asked people whether they preferred cats or dogs and how many pets they had. (Those who preferred both cats and dogs and those who preferred another type of pet are not included...
-
Explain possible advantages and disadvantages of PSL's current international trading strategy (subsidiary in China, export & import and online presence).
-
In November 2020 you entered into four May 2021 long futures contracts for crude oil (1,000 barrels per contract) for $65.00 per barrel. If the futures price was $70.00 per barrel on December 31,...
-
4) Champagne, Inc., had revenues of $13 million, cash operating expenses of $9 million, and depreciation and amortization of $2 million during 2008. The firm purchased $650,000 of equipment during...
Study smarter with the SolutionInn App