Stat 110 Study Guide for Exam 1
Stat 110 Study Guide for Exam 1 STAT 110 - 003
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This 3 page Study Guide was uploaded by Mackenzie Shapiro on Sunday September 27, 2015. The Study Guide belongs to STAT 110 - 003 at University of South Carolina taught by David B. Hitchcock (P) in Fall 2015. Since its upload, it has received 25 views. For similar materials see Introduction to Statistical Reasoning in Statistics at University of South Carolina.
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Date Created: 09/27/15
Stat 110 Study Guide for Exam 1 An experiment has 2 explanatory variables The rst variable has two possible values the second variable has 4 possible values How many treatments are there in the experiment a 4 b 6 c 8 d 12 For which type of sample can a reliable margin of error be derived a Convenience sample b Simple random sample c Census d Voluntary response sample Taking a larger sample size will reduce what about a resulting variable a Bias b Sampling variability c Accuracy d Computational dif culty The sampling variability of a statistic re ects a Difference in the value of a statistic across repeated samples b The error due to a voluntary response sample c The difference in responses with a single sample d None of the above Informed Consent can be tricky to obtain when the subjects are a Agricultural plots b Industrial parts c Volunteers d Children Which is NOT one of the three major principles of experimental design a Classi cation b Replication c Control d Randomization What is a parameter What is an explanatory variable T or F replication reduces bias 10 Finish the sentence make the decisions about who takes the survey for a non probability sample Answer Key 1c 2b QQJO39 a a number that describes the population sample proportion variable we think causes changes in the response variable false Replication reduces variation 0 Humans HPWFP P FP
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