An inter-strand grouping of students is working on a study about the Copper-infused materialsutilization for real environment viruses and bacteria to address good health and well-being ofthe target beneficiaries. They want to compare the utilization and non-utilization of copperinfused materials if it will yield the same results when introduced to reduce bacterialcontamination.Will the choice of sampling technique affect the statistical test to be used? Also, what is theappropriate statistical test to use and why?

Given information: Given that the inter-standing grouping of students is working on a study about…

Answered: An inter-strand grouping of students is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A therapist interested in helping individuals with Ophidiophobia. In order to do this the therapist is going to slowly desensitize the patients to snakes. He needs to find a starting point so he presented a sample of 16 ophiophobes with snake related stimuli and measured their physiologic response on a scale of (1-20). (a) Conduct a One-Way Repeated Measures ANOVA and interpret and analyse the results. Ensure that you justify your answers. (b) Test the following assumptions of the MANOVA model and interpret and analyse the results of the test(s) conducted for each assumption. (i) There should be no significant outliers. (ii) The distribution of the dependent variable in the two or more related groups should be approximately normally distributed. (iii) Sphericity. Rubber Life Like Snake *Be sure to explain the test(s) that should be conducted for the relevant assumptions. *Ensure that you explain what should be done if the assumptions are violated.
On a trial basis, State College admitted 300 students from the lowest third of their high school graduation class. They were randomly divided into 3 groups. Group A received extensive training in study habits Group B received motivational lectures; and Group C received no special treatment. At the end of the year, the average grades of the groups were compared. Identify the following: * What is the Independent variable? * What is the Dependent variable? * Who is in the Experimental Group? * Who is in the Control Group? * What are at least 2 potential extraneous variables?
What is effect size and what are the criteria for determining a small, medium and large effect?
can someone help with this problem please? Thank you very much!
What is the value of the standard score for the sample proportion?
What is the primary weakness of sensitivityanalysis? What is its primary usefulness?
Suppose you are a product engineer for a tool manufacturing company, and want to investigate the strength of several new prototype redesigns of one of your drills. You have 13 new drill designs and would like to include a control group also of the original drill design. Your firm has decided to sample 37 drills for each new drill design and 37 drills in the control group with the original design. Using this information, if you were to conduct an ANOVA test based on a quantitative measure of the drill's performance, what is the degree of freedom associated with the variation within groups (SSE) in this analysis (denominator degree of freedom)?
One-way ANOVA: Check NEON data set, and download data of a variable from five locations. 1) Please test whether the means of the variable are different among all locations. 2) If there is significance, please test significant differences among locations using multiple comparison. Plants are sampled from three treatment plots and measured for biomass. In treatment A plot, biomass of plants: 5, 7, 4, 5, 6, 8, 9, 10; In treatment B plot, biomass of plants: 8, 10, 9, 6, 5, 12, 9, 11. In treatment C plot, biomass: 12, 14,15, 18, 16, 12, 11, 15. Please test whether there is a treatment effect. If there is, please conduct multiple comparison.

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