STAT 201_R6

STAT 201_R6 - STAT201Recitation Week 6: Quiz 7; Room 207...

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STAT 201 Recitation Week 6: Quiz 7; Room 207 (Thursday 1~4)
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Q1 ne of the reasons for taking a sample instead of conducting a census is this: A. A sample is difficult to take. B. A sample is more accurate than census. C. A sample can not be trusted. D. Accessing the population may be impossible. Pg.220: Reasons for Sampling]
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Q2 type of random sampling in which the population is divided into non-overlapping subpopulations is called __________. A. systematic random sampling B. stratified random sampling C. regulatory sampling D. cluster sampling Pg.223: Stratified Random Sampling]
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Q3 A type of random sampling in which the population is divided into non-overlapping areas is called __________. A. systematic random sampling B. cluster sampling C. regulatory sampling D. stratified random sampling Pg.225: Cluster (or Area) Sampling]
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Q4 ampling error is caused by __________. A. wrong analysis B. missing data C. pure chance D. recording errors Pg.228: Sampling Error]
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Q5 If reasonably large sized samples (i.e., samples of 30
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STAT 201_R6 - STAT201Recitation Week 6: Quiz 7; Room 207...

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