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flyingcerberus1408
24.03.2020 •
Business
For use in a linear regression model, categorize which of the following variables should be represented as dummy variables and which can be represented as quantitative variables.
ITEMS
TIME TO RUN A MARATHON
SHOE COLOR
HEIGHT
NUMBER ON AN ATHLETE'S JERSEY
GENDER
SIZE OF FLAT-SCREEN TELEVISION
HOURS SPENT STUDYING CORE
ICE CREAM FLAVOR
CALORIES IN DESSERTS
CATEGORY
Dummy Variables
Quantitative Variables
Solved
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Ответ:
DUMMY VARIABLES:
The items include;
Shoe color,
Number on an athlete's jersey,
Gender,
Ice cream flavor
QUANTITATIVE VARIABLES: Items include;
Time to run marathon,
Height,
Size of flat-screen television,
Hours spent studying core,
Calories in desserts.
Explanation:
Time to run a marathon, height, size of flat–screen television, hours spent studying core, and calories in desserts are quantitative variables.
Shoe color, number on an athlete’s jersey, gender, and ice cream flavor are categorical/qualitative variables and need to be transformed into dummy variables. Note that although athlete’s jerseys have numbers, those values cannot be interpreted as real numbers.
Ответ:
Explanation:
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