AssessmentCOLISES/Ba15126a-5858-4595-8750-5a40ff026d4e/3/ngybed/tools/assessment/items/309d9d2a-e2c1-49a0-83cc-2676019ffa82/assignm.Completed 12 out of 2200 30---Submit AllHR MIN SEC< Question 14 of 22 >Suppose that, as part of a research methods class, Bailey was asked to write a summary of a research paper on the effectsmedia coverage on community support for crime prevention.For the summary, identify the explanatory and the response variables.The amount of media coverage is the response variable, and the level of community support for crime prevention is theexplanatory variable.O The amount of media coverage and the level of community support for crime prevention are the explanatory variables.The amount of media coverage is the explanatory variable, and the level of community support for crime prevention isthe response variable.O The amount of media coverage and the level of community support for crime prevention are the response variables.12:16SAMSUNG

We know that the : (a) Explanatory variable is a cause. (or regressor ) . Explanatory variable is…

Answered: Suppose that, as part of a research…

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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Dr. Mackintosh believes a new olfactory therapy would be more successful in promoting weight loss among obese patients. His patients are first weighed and then randomly assigned to olfactory therapy, dance therapy, or a control condition. At the end of the three weeks, the amount of weight lost is recorded. The results indicate no significant difference in the amount of weight lost between the three conditions. Identify the independent variable along with each level and the dependent variable.
Suppose that, as part of a research methods class, Bailey was asked to write a summary of a research paper on the topic of the effects of visitor traffic on the relative humidity in bat caves. Identify the explanatory and the response variables. The number of visitors and the relative humidity are the response variables. The number of visitors is the response variable, and the relative humidity is the explanatory variable. The number of visitors and the relative humidity are the explanatory variables. The number of visitors is the explanatory variable, and the relative humidity is the response variable.
Which of the following variables is not a qualitative or categorical variable? Species: Warbler, Wren, Owl, etc. Moth Type: 1 = Peppered, 2 = Melanic Moth Type: 1 = Peppered, 2 = Melanic Age at Death: 0-116
Provide an appropriate response. Suppose you were to collect data for the pair of given variables in order to make a scatterplot. For the variables time spent on homework and exam grade, which is more naturally the response variable and which is the explanatory variable? O Time spent on homework: response variable Exam grade: explanatory variable O Time spent on homework: explanatory variable Exam grade: response variable
A researcher wants to see if gender and/or income affect the total amount of help given to a stranger who is sitting on the side of a busy road with a sign asking for help. The independent variables are gender, income, and the interaction of gender and income. The dependent variable is total help. He wants to know if one or both factors – or the interaction of the two - affect the total amount of help offered. Because he is analyzing two independent variables (gender and income), he used a factorial ANOVA. His results show the main effect of each of the independent variables on the dependent variable (total help) and the interaction effect. The researcher is using a 95% confidence interval which means that he wants to be at least 95% sure that his independent variables affected total help if he rejects the null hypothesis. Is there significance for either gender or income?
A preschool teacher is interested in whether the type of math program used impacts learning. One class receives a workbook to complete at home and another class receives an interactive app. The preschool teacher then compares whether those who received the interactive app versus the workbook perform better on a math test (percentage correct). Identify the independent variable and the operational definition Identify the dependent variable and the operational definition. Below you will find data for this experiment. Draw a histogram for each of the math programs. Determine if the data for each condition presents any skewness or kurtosis properties. Compute the following for each condition below: ∑X ∑(X)2 ∑X2 ∑(X-1) ∑(X-1)2 Workbook X f 80 2 79 2 75 3 81 1 60 5 65 6 75 8 App X f 90 5 80 3 82 4 94 3 78 2 93 4 92 6
In a few sentences come up with your own idea for either an experimental OR observational study. Why would this study be either experimental or observational? Identify the explanatory and response variables
You are a manager for Company ABC and decide to compile data and analyze your employees’ level of satisifaction. You create a survey to ask each employee to rate their level of satisfaction working at Company ABC. Table 1 shows data of 15 people employees that responded to your survey. Each of the employees have the same job title: Sales Representative. The data set includes variables regarding an employee ID, gender, ethnicity, region, pay rate, employee satisfaction rating. Each employee was asked to rate their level of satisfaction working at Company ABC. A composite score from 0 (lowest) to 5 (highest) is shown as the data variable employee satisfaction. Table 1: Employee Data on 15 Sales Representatives at Company ABC
A researcher selected an all-girls high school to study math achievement by comparing text lessons vs. visual lessons (the independent variable) and used final exam scores as the dependent variable. He arranged for text lessons in the Fall and visual lessons in the Spring. What is confounded with what? a. type of lesson with season of year b. Girls with exam scores and season of year c. type of lesson with exam scores d. season of year with exam scores
In predicting the change in blood pressure for someone taking blood pressure medication, identify two possible quantitative predictor variables and two possible qualitative predictor variables.

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