for question 1A, how do you know what the explanatory and response variables are? 1. A study was conducted to see if the number of minutes of screen time is a good predictor of thepopularity rank for Star Wars characters? Here are the data from recent study that ranked the14 most popular characters.CharacterDarth VaderHans SoloLuke SkywalkerPrincess Leia34Anakin Skywalker 5Obi-Wan Kenobi6R2-D27Rank Screen time (min)11502261282163• Bank||||||||* NguCharacterChewbaccaPORADNJA210YodaC-3POReyPadme' AmidalaEmperor PalpatineBoba Fett316294410410a. Identify the explanatory and response variables. Explain your reasoning.Rank8b. Make a scatterplot to display the relationship between screen time and rank for theseStar Wars characters.At ang50 100 150 200 250screen time (min).c. Describe the relationship shown in the scatterplot.91011121314r=Screen time (min)2601343591002101075959350 400 450NB 120/1 sayo-allof odet or no evad ieq aidgest run

The variable, which is manipulated (or externally changed) to measure the effect in terms of the…

Answered: 1. A study was conducted to see if the…

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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Suppose you were to collect data for the following pair of variables, ski diving: depth, visibility. You want to make a scatterplot. Which variable would you use as the explanatory variable? depth visibility Which variable would you use as the response variable? O depth O visibility Would you expect to see a positive or negative association? positive negative O neither
Help!!
In this same passage, answer the third question to the problem.
A researcher wants to know if there is an association between feelings of hunger and aggressive behavior (in other words, is being “hangry” a real phenomenon?). He asks participants to track their hunger levels and feelings of anger and aggression over the course of a week. What is the independent variable?
Suppose you have collected data on 1000 customers who visited your company's website last week. For each customer, the time spent on the page and the total amount of customer purchases during the visit were recorded. You want to explore the relationship between these two variables. What is the explanatory variable and what is the response variable? to. Explanatory: Time spent on the page Answer: Total amount of purchases b. It is not possible since neither explains c. Answer: Time spent on the page Explanatory: Total amount of purchases
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
Identify each of the variables as quantitative or categorical. Also, identify each of the variables as an explanatory variable or a response variable.
A 2009 Pew Research Center survey asked a sample of 1,504 adults living in the United States for their opinions on recent technological advancements, such as online shopping, cell phones, and social networking. Respondents categorized each advancement as a change for the worse, hasn't made much difference, a change for the better, or don't know. A summary of respondents' opinions on the Internet follows: Response Change for the worse Hasn't made much difference Change for the better. Don't know Percent of Respondents 16 11 65 8 Make a bar graph of the relative frequency distribution of the responses.
Use the following information for the question. A group of home gardeners want to test whether the type of soil used to grow heirloom tomatoes has an effect on the number of tomatoes harvested. Gardeners randomly assigned tomato plants to be grown in soil with no fertilizer, commercial plant food, and homemade compost. All other growing conditions were kept the same. Forty plants were assigned to each group. At the end of the growing season the number of tomatoes harvested was counted. Assume that all other conditions for the ANOVA test have been met.State the null and alternative hypothesis.
The hypothesis should revolve around one of the variables collected for all subjects. Your results section should describe the general course of one subject’s response from your individual analysis and then evaluate your hypothesis for a specific collective variable. Please explain this in plain english. I dont understand the instructions. Here is a reference of the subjects.
Which of the following is not equivalent to the other three? Choose the correct answer below. O Dependent variable Independent variable 000 O Predictor variable O Explanatory variable

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