Stat Solutions.pdf - Activity 1-7 7 a The observational units are the eight-hour shifts 1 Activity 1-6 A Nurse Accused b One variable is whether Gilbert

# Stat Solutions.pdf - Activity 1-7 7 a The observational...

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1 • • • Homework Activities Activity 1-7: Miscellany a. Variable: binary categorical; observational units: pennies being spun b. Variable: binary categorical; observational units: people leaving the washroom c. Variable: quantitative; observational units: fast-food sandwich d. Variable: quantitative; observational units: residents of that country e. Variable: binary categorical; observational units: American households f. Variable: quantitative (though age might make more sense to interpret); observational units: colleges g. Variable: quantitative; observational units: colleges h. Variable: categorical; observational units: American voters in 2004 i. Variable: binary categorical; observational unit: newborn babies j. Variable: quantitative; observational units: Alfred Hitchcock movies k. Variable: quantitative; observational units: American pennies l. Variable: quantitative; observational units: automobiles m. Variable: binary categorical; observational units: automobiles n. Variable: categorical; observational units: automobiles o. Variable: binary categorical; observational units: applicants for graduate school p. Variable: quantitative; observational units: college students q. Variable: categorical; observational unit: person r. Variable: binary categorical; observational units: college students s. Variable: binary categorical; observational units: participants in sport t. Variable: quantitative; observational units: sport participants u. Variable: quantitative; observational units: states v. Variable: quantitative; observational units: bartenders (or glasses if just one bartender) w. Variable: quantitative; observational unit: person x. Variable: quantitative; observational units: brides y. Variable: categorical; observational units: brides z. Variable: quantitative; observational units: couples getting married Activity 1-7 7
8 Topic 1: Data and Variables Activity 1-8: Top 100 Films a. Quantitative b. Quantitative (though age might be easier to interpret) c. Categorical d. Binary categorical e. Binary categorical f. Binary categorical g. Quantitative (notice how this quantity will vary from movie to movie) Activity 1-9: Credit Card Usage a. Year in school: categorical Whether the student has a credit card: binary categorical Outstanding balance on the credit card: quantitative Whether the outstanding balance exceeds \$1000: binary categorical Source for selecting a credit card: categorical Region of the country: categorical b. Answers will vary. Examples include these:

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