●Discuss the dimensions of the data set: the number of variables and the numberof observations.Discuss the proper names of the variables and identify the dependent variable(s)and independent variables [predictors].For each variable, identify its type: numerical/categorical.Discuss the levels of all categorical variables and type of numerical variables inthe data. In a hypothetical study conducted by environmental officers of the success of trawlerfishing effort, data were collected on 196 fishing trawlers in Peru. The dataset trawlers.csvcontains the following variables:Column12345VariableMeasured powerof boat engine (horse power)Net size relative to maximum permitted (percent)Percent of fish shoals spotted by radar that were reachedNumber of fishing trips per yearTotal annual catch (in tonnes)Labelpowernetradartripstotcatch

i.The dimension of the dataset is determined by the number of variables and the number of…

Answered: ● Discuss the dimensions of the data…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Suppose you have access to a database with the variables listed below. Choose two variables you are interested in exploring that may be related (a predictor and outcome). Which variable is your y (outcome) and which is your x (predictor)? *Hint: which one may predict the other? Example: hot weather may predict sunburns.
a. Which measure of association would be most appropriate for these variables? b. What is the value of the measure of association? c. What is the strength of the association? d. Would be appropriate to interpret a direction for the association? If so, which direction is the association between the two variables?
State if these variables would be expected to have a positive, negative, or no association. A. Number of schools and population size. o Positive Negative No association B. Income and number of health conditions. Positive o Negative No association C. Time spent meditating and stress level. Positive o Negative No association D. Number of pets and amount of money spent on printer ink. Positive Negative o No association E. Life expectancy and death rate. Positive Negative o No association
Determine which of the following variables are quantitative. A: Rating of the effectiveness of a new cold remedy (Not effective, Somewhat effective, Very effective) B: Amount of time spent assembling a five-shelf bookcase. C. Number of children in a family. Group of answer choices A and B and C B and C A and C A and B
Classify each of the following data types as qualitative or quantitative. 1. Types of animals used as NFL football team mascots 2. Weight of kindergarten students 3. Height of sycamore trees 4. Dollars earned by actor 5. Colors people use to paint their houses
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
For each vignette, choose the type of research that is being conducted. There is only one correct answer for each vignette. Here are your answer choices for questions 1-18 Case Study Naturalistic Observation Laboratory Observation Survey Correlation Test Experiment Longitudinal Design Cross Section Cross Sequential Design Maria wants to understand the political demographics in her community, so she creates a questionnaire asking people to identify their age, gender, political affiliation, religion and marital status. After Maria collects the abovementioned data (in question #12), she then identifies the relationships between religion and political affiliation. Kathi…
The level of water usage of 250 houses was rated in a survey as low, medium or high and the size of the houses as small, standard or large. The variables,level of water usage and size of house, as recorded in this survey, are a. both numerical variables. b. both categorical variables. c. neither numerical nor categorical variables. d. numerical and categorical variables respectively.
. Present a description of your variables: Provide a codebook with the following four columns: (1) Variable name; (2) Variable label; (3) Value & Value label and Level of measurement (i.e., nominal, ordinal, interval, ratio). Please present this as a table. This should fit on one page.
Can I get some help with identifying the variables and individuals?
Some research situations are summarized below. For each situation, identify all variables.Then, for each variable, note the level of measurement AND whether it is an independent or dependent variable. a.Ahealth researcher is interested in studying patient compliance (whether or not patients take the medicine their doctor prescribes). She surveys 800 diabetic patients, and finds compliance to be linked to patient age, education, gender, and socioeconomic status. b. A market researcher is hired by Target to see how customers buying habits have changed before and after COVID. The researcher studies how much each customer spent (in $s), how frequently they visited the website each month, how frequently they visited the store each month. They report that, since March, customers are spending less, visiting the website more frequently, and shopping in person less frequently.
In IBM SPSS, what does clicking on this icon do?

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