● Discuss the dimensions of the data set: the number of variables and the number of 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 in the data.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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●
Discuss the dimensions of the data set: the number of variables and the number
of 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 in
the data.
Transcribed Image Text:● Discuss the dimensions of the data set: the number of variables and the number of 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 in the data.
In a hypothetical study conducted by environmental officers of the success of trawler
fishing effort, data were collected on 196 fishing trawlers in Peru. The dataset trawlers.csv
contains the following variables:
Column
1
2
3
4
5
Variable
Measured power
of boat engine (horse power)
Net size relative to maximum permitted (percent)
Percent of fish shoals spotted by radar that were reached
Number of fishing trips per year
Total annual catch (in tonnes)
Label
power
net
radar
trips
totcatch
Transcribed Image Text:In a hypothetical study conducted by environmental officers of the success of trawler fishing effort, data were collected on 196 fishing trawlers in Peru. The dataset trawlers.csv contains the following variables: Column 1 2 3 4 5 Variable Measured power of boat engine (horse power) Net size relative to maximum permitted (percent) Percent of fish shoals spotted by radar that were reached Number of fishing trips per year Total annual catch (in tonnes) Label power net radar trips totcatch
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