3. Mrs. Alcancia groups the senior high students according to their grade level and strand. She proportionately and randomly chooses sample students from each group. Which random sampling technique does she apply? a. Cluster c. Stratified b. Simple d. Systematic 4. The principal groups the senior high school students according to what barangay they live. He randomly chooses 5 barangays and then includes all the students living in the randomly chosen barangays in the sample. Which random sampling technique does he apply? a. Cluster c. Stratified d. Systematic b. Simple 5. What do you call a number that describes a population characteristic? a. Data c. Samples b. Parameter d. Statistic 6. What do you call a number that describes a sample characteristic? a. Data b. Samples b. Parameter d. Statistic For numbers 7-8-16, identify whether the given statement illustrates a) parameter or b) statistic. 7. Parameter or Statistic: In a survey of 1, 500 bulbs manufactured by a company, it was found out that 120 of them were defective. 8. Parameter or Statistic: The Philippine Senate is composed of 24 senators.

3. Mrs. Alcancia groups the senior high students according to their grade level and strand. She proportionately and randomly chooses sample students from each group. Which random sampling technique does she apply? a. Cluster c. Stratified b. Simple d. Systematic 4. The principal groups the senior high school students according to what barangay they live. He randomly chooses 5 barangays and then includes all the students living in the randomly chosen barangays in the sample. Which random sampling technique does he apply? a. Cluster c. Stratified d. Systematic b. Simple 5. What do you call a number that describes a population characteristic? a. Data c. Samples b. Parameter d. Statistic 6. What do you call a number that describes a sample characteristic? a. Data b. Samples b. Parameter d. Statistic For numbers 7-8-16, identify whether the given statement illustrates a) parameter or b) statistic. 7. Parameter or Statistic: In a survey of 1, 500 bulbs manufactured by a company, it was found out that 120 of them were defective. 8. Parameter or Statistic: The Philippine Senate is composed of 24 senators.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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