Math Models Unit 4 Lesson 2

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6. What two things should a survey be?

- unbiased : does not favor one response over another - random : an equal chance of being chosen

3. Based on the table below, choose the subgroups whose data you would analyze. 1 : What grade are you in? 2 : What is your favorite snack? 3 : About how much money do you spend each month on snacks?

• 10th Grade-fresh fruit • 10th Grade-pizza • 9th Grade-fresh fruit • 9th Grade-pizza

4. Based on the table below, choose the subgroups whose data you would analyze. 1 : What grade are you in? 2 : What is your favorite snack? 3 : About how much money do you spend each month on snacks?

• 11th Grade-pizza • 10th Grade-pizza • 9th Grade-pizza • 12th Grade-pizza • 12th Grade-fresh fruit • 11th Grade-fresh fruit • 9th Grade-fresh fruit • 10th Grade-fresh fruit

2. Based on the table below, choose the subgroups whose data you would analyze. 1 : Which city do you live in? 2 : Which NFL team is your favorite? 3 : About how much money do you spend each year on NFL team gear?

• Dallas-Texans • Dallas-Cowboys • Houston-Steelers • Houston-Cowboys • Dallas-Steelers • Houston-Texans

1. Based on the table below, choose the subgroups whose data you would analyze. 1 : Which city do you live in? 2 : Which Tex Mex restaurant is your favorite? 3 : About how much money do you spend each month at Tex Mex restaurants?

• Denton-EI Fenix • Lewisville-El Fenix • Lewisville-Abuelo's • Denton-Cristina's • Flower Mound-Abuelo's • Flower Mound-Cristina's • Lewisville-Cristina's • Denton-Abuelo's • Flower Mound-El Fenix

5. Based on the table below, choose the subgroups whose data you would analyze. 1 : Are you a boy or a girl? 2 : What is your favorite subject in school? 3 : About how much time do you spend studying each week?

• girl-history • girl-math • boy-science • boy-history • girl-art • girl-reading • boy-art • boy-math • girl-music • girl-science • boy-music • boy-reading


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