directions: select two colors for your key. c...
directions: select two colors for your key. color all of the random samples one color and all the non - random samples a different color. key: red = random blue = non - random you want to find out which sport students like playing the most at your school. you survey every 4th student playing basketball at lunch. your teacher is selecting 3 students to help run your school booth at the school carnival. she puts all of the students names in a hat and draws out three. a shoe store wants to determine what brands its customers like best. the store calls every 10th person in its customer database. a large company wants to determine what their employees dislike the most. they decide to survey 500 employees chosen at random from the employee database. a radio station wants to determine teenagers favorite genre of music. they survey every teenager leaving a hip hop concert. a local high school wants to know students favorite elective classes. all student id numbers were placed in a box. 75 were chosen at random. a company wants to determine the average temperature of connecticut by recording the temperatures in all connecticut cities in the months of december and january. eeman wants to determine the number of people that like ford trucks by surveying 100 random people that drive a ford vehicle. you want to conduct a survey in your city about what people like to do in their free time. you ask every other person in line at a football game. britt wants to determine peoples favorite store at the mall. she asks every 4th person entering tillys. a student wants to know the average amount of time it takes students to get ready in the morning. she decides to survey every girl wearing make - up. your school is selecting a new mascot and wants student input. they survey every 5th student that enters the school building. julian wants to determine how many people enjoy surfing by asking random surfers at the beach. a teacher wants to determine which homework assignments students like the most. she decides to survey every student in her class. jeremiah wants to know who spends more time reading: teacher or students. he places all the teachers and students names in a bag and randomly draws out 30
Answer
# Brief Explanations:
1. **You want to find out which sport students like playing the most at your school. You survey every 4th student playing basketball at lunch**: Non - random. This only samples basketball players at lunch, not all students.
2. **Your teacher is selecting 3 students to help run your school class booth at the carnival. She puts all of the students' names in a hat and draws out three**: Random. Each student has an equal chance of being selected.
3. **A shoe store wants to determine what brands its customers like best. The store calls every 10th person in its customer database**: Random. Systematic sampling which gives each customer in the database a chance.
4. **A large company wants to determine what their employees dislike. They decide to survey 500 employees chosen at random from the employee database**: Random. Random selection from the whole population of employees.
5. **A radio station wants to determine teenagers' favorite genre of music. They survey every teenager leaving a hip - hop concert**: Non - random. Biased towards hip - hop fans.
6. **A local high school wants to know students' favorite elective classes. All student ID numbers were placed in a box. 75 were chosen at random**: Random. Equal chance for each student.
7. **A company wants to determine the average temperature of Connecticut by recording the temperatures in all Connecticut cities in the months of December and January**: Non - random. Only records in specific months, not representative of the whole year.
8. **Eeman wants to determine the number of people that like Ford trucks by surveying 100 random people that drive a Ford vehicle**: Non - random. Only surveys Ford drivers, not all people.
9. **You want to conduct a survey in your city about what people like to do in their free time. You ask every other person in line at a football game**: Non - random. Biased towards football - game attendees.
10. **Britt wants to determine people's favorite store at the mall. She asks every 4th person entering Tillys**: Non - random. Only surveys people entering Tillys, not all mall - goers.
11. **A student wants to know the average amount of time it takes students to get ready in the morning. She decides to survey every girl wearing make - up**: Non - random. Biased towards girls wearing make - up.
12. **Your school is selecting a new mascot and wants student input. They survey every 5th student that enters the school building**: Random. Systematic sampling giving each student a chance.
13. **Julian wants to determine how many people enjoy surfing by asking random surfers at the beach**: Non - random. Only surveys surfers, not all people.
14. **A teacher wants to determine which homework assignments students like the most. She decides to survey every student in her class**: Non - random. Only her class, not all students in the school.
15. **Jeremiah wants to know who spends more time reading: teacher or students. He places all teachers' and students' names in a bag and randomly draws out 30**: Random. Equal chance for teachers and students.
# Answer:
- Random:
- Your teacher is selecting 3 students to help run your school class booth at the carnival. She puts all of the students' names in a hat and draws out three.
- A shoe store wants to determine what brands its customers like best. The store calls every 10th person in its customer database.
- A large company wants to determine what their employees dislike. They decide to survey 500 employees chosen at random from the employee database.
- A local high school wants to know students' favorite elective classes. All student ID numbers were placed in a box. 75 were chosen at random.
- Your school is selecting a new mascot and wants student input. They survey every 5th student that enters the school building.
- Jeremiah wants to know who spends more time reading: teacher or students. He places all teachers' and students' names in a bag and randomly draws out 30.
- Non - random:
- You want to find out which sport students like playing the most at your school. You survey every 4th student playing basketball at lunch.
- A radio station wants to determine teenagers' favorite genre of music. They survey every teenager leaving a hip - hop concert.
- A company wants to determine the average temperature of Connecticut by recording the temperatures in all Connecticut cities in the months of December and January.
- Eeman wants to determine the number of people that like Ford trucks by surveying 100 random people that drive a Ford vehicle.
- You want to conduct a survey in your city about what people like to do in their free time. You ask every other person in line at a football game.
- Britt wants to determine people's favorite store at the mall. She asks every 4th person entering Tillys.
- A student wants to know the average amount of time it takes students to get ready in the morning. She decides to survey every girl wearing make - up.
- Julian wants to determine how many people enjoy surfing by asking random surfers at the beach.
- A teacher wants to determine which homework assignments students like the most. She decides to survey every student in her class.