What sampling method is used when a statistic student did a research on the time spend by grade11 student in playing video and randomly select his subjects by using the lottery method. A.) stratified random sampling B.) simple random sample C.) systematic random sampling D.) cluster sampling

What sampling method is used when a statistic student did a research on the time spend by grade11 student in playing video and randomly select his subjects by using the lottery method. A.) stratified random sampling B.) simple random sample C.) systematic random sampling D.) cluster sampling

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 5E

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Question

Please answer all. Thank you.

What sampling method is used when a
statistic student did a research on the time
spend by grade11 student in playing video
and randomly select his subjects by using
the lottery method.
A.) stratified random sampling B.) simple
random sample C.) systematic random
sampling D.) cluster sampling
Which Among z score corresponds to the
middle 30 percent.
A.) plus minus 0.25 B.) plus minus 0.39 C.) Plus
minus 0.52 D.) plus minus 0.84

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