Math Homework

Copyright © by Holt, Rinehart and Winston. 1 Holt Middle School Math Course 2 All rights reserved. Identify the population in each situation. 1. The tennis instructor is trying to find a day to schedule practice for the high-school tennis team. a. all tennis team members b. all high-school students 2. The dance committee asks students about their favorite local bands for a middle-school dance. a. all students in the school b. all seventh-grade students in the school 3. A scientist is studying the migration patterns of salmon from fresh water to the ocean. a. all salmon in North America b. all salmon The manager of a movie theater is conducting a customer survey. For Exercises 4–6, state whether each sampling method is random. Explain. 4. The manager questions 200 moviegoers who were randomly selected as they exited the theater. 5. The manager questions the first 10 customers each day. 6. The manager questions all customers between the ages of 10 and 16. 7. A local radio station is surveying local families about what radio stations they listen to. The station selects families by randomly calling names in the phone book. What is the population? Is the sampling method random? Explain. Name Date Class Homework and Practice 1-1 Populations and Samples LESSON Chapter Menu Lesson Plan Print document Click Here Answer Key 4Copyright © by Holt, Rinehart and Winston. 1 Holt Middle School Math Course 2 All rights reserved. Identify the population in each situation. 1. The tennis instructor is trying to find a day to schedule practice for the high-school tennis team. a. all tennis team members b. all high-school students 2. The dance committee asks students about their favorite local bands for a middle-school dance. a. all students in the school b. all seventh-grade students in the school 3. A scientist is studying the migration patterns of salmon from fresh water to the ocean. a. all salmon in North America b. all salmon The manager of a movie theater is conducting a customer survey. For Exercises 4–6, state whether each sampling method is random. Explain. 4. The manager questions 200 moviegoers who were randomly selected as they exited the theater. Yes, each moviegoer has an equal chance of being selected. 5. The manager questions the first 10 customers each day. No, customers who come later in the day will have no chance of being selected. 6. The manager questions all customers between the ages of 10 and 16. No, customers of other ages have no chance of being selected. 7. A local radio station is surveying local families about what radio stations they listen to. The station selects families by randomly calling names in the phone book. What is the population? Is the sampling method random? Explain. The population is all people who are listed in the phone book. No, people who are not listed in the phone book have no chance of being selected. Name Date Class Homework and Practice 1-1 Populations and Samples LESSON Chapter Menu Lesson Plan Print document