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Kruskal Wallis non- parametric ANOVA.
Describe the requirements that must be met before an ANOVA test can be used. Discuss what the researcher must do if one of the requirements is not met and give exs.
Statistics and Probability, Statistics
One of the initial clinical trials of the anti-math anxiety drug SHOVITALL TM tested for the presence of headaches as a side effect. In the trial, 450 subjects were treated with 80mg of the drug, and 2.2% of the subjects ...
1. When do researchers use regression analysis? 2. What is multiple regression analysis? 3. Distinguish among simultaneous (or standard), stepwise, and hierarchical regression.
1. If the calculated value of t is less than the critical value, do you reject or fail to reject the null hypothesis? Explain. 2. If you reject the null hypothesis (and conclude that the independent variable has an effec ...
Risk taking is an important part of investing. In order to make suitable investment decisions on behalf of their customers, portfolio managers give a questionnaire to new customers to measure their desire to take financi ...
1. What is the difference between descriptive and inferential statistics? 2. Describe the most common descriptive statistics. 3. What are standard scores, and how are they calculated? 4. What is meant by an unbiased esti ...
A bakery was taken to court for selling loaves of bread that were underweight. These loaveswere advertised as weighing 24 ounces. In its defense, the bakery claimed that the advertisedweight was meant to imply not that e ...
Simple! (Takes about 25 minutes to answer.) In a study evaluating "Why minority males graduate American high-schools at lower rates than their counterparts", the following is needed: 1) Envisioned Quantitative Design 2) ...
A researcher would like to study BMI levels in adults 20-40 years of age. She selected 9 patients and found their BMI values to be: 38, 19, 25, 26, 29, 18, 34, 32, 30 The mean BMI level of this group of patients is 25.8 ...
Designing and Writing a Report on a Statistical Study of Your Own Select a question of your own to investigate using one of the hypothesis tests studied in this class. Explain why you chose the particular question to in ...
1. The independent variable was whether the applicant appeared to have a disability. 2. The dependent variables were participants' ratings of the applicant (such as ratings of how qualified the applicant was, how much th ...
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SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl
DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac
Create a provider database and related reports and queries to capture contact information for potential PC component pro
Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen