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1. The teacher randomly selects 20 boys and 15 girls from a batch of learners to be members of a group that will go to a field trip. 2 A sample of 10 mice are selected at random from a set of 40 mice to test the effect of a certain medicine. 3. Two out of five people in a certain seminar are asked what they think about the president. 4. A barangay health worker asks every 4th house in the village for the ages of the children living in those households. 5. Bea, a statistics student, wants to determine who cares more about their physical appearances, the male or the female students. She wants to limit her study to the grade 11 students. There are unequal numbers of grade 11 students: 250 are males and 279 are females. She wants her sample to consist only of 50 students.

1. The teacher randomly selects 20 boys and 15 girls from a batch of learners to be members of a group that will go to a field trip. 2 A sample of 10 mice are selected at random from a set of 40 mice to test the effect of a certain medicine. 3. Two out of five people in a certain seminar are asked what they think about the president. 4. A barangay health worker asks every 4th house in the village for the ages of the children living in those households. 5. Bea, a statistics student, wants to determine who cares more about their physical appearances, the male or the female students. She wants to limit her study to the grade 11 students. There are unequal numbers of grade 11 students: 250 are males and 279 are females. She wants her sample to consist only of 50 students.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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Identify whether the statement is Simple Random Sampling, Cluster Sampling, Systematic Random Sampling or Stratified Random Sampling.
1 The teacher randomly selects 20 boys and 15 girls from a batch of learners to be members of a group that will go to a field trip. 2. A sample of 10 mice are selected at random from a set of 40 mice to test the effect of a certain medicine. 3. Two out of five people in a certain seminar are asked what they think about the president. 4. A barangay health worker asks every 4th house in the village for the ages of the children living in those households. 5. Bea, a statistics student, wants to determine who cares more about their physical appearances, the male or the female students. She wants to limit her study to the grade 11 students. There are unequal numbers of grade 11 students: 250 are males and 279 are females. She wants her sample to consist only of 50 students.
Transcribed Image Text:1 The teacher randomly selects 20 boys and 15 girls from a batch of learners to be members of a group that will go to a field trip. 2. A sample of 10 mice are selected at random from a set of 40 mice to test the effect of a certain medicine. 3. Two out of five people in a certain seminar are asked what they think about the president. 4. A barangay health worker asks every 4th house in the village for the ages of the children living in those households. 5. Bea, a statistics student, wants to determine who cares more about their physical appearances, the male or the female students. She wants to limit her study to the grade 11 students. There are unequal numbers of grade 11 students: 250 are males and 279 are females. She wants her sample to consist only of 50 students.
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