AEC 301 Statistics & Biometrics: Hypothesis Testing Introduction
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Questions and Answers

What does hypothesis testing aim to do?

  • Introduce confidence intervals for hypothesis verification
  • Find out about the true population parameters from sample estimates (correct)
  • Verify the accuracy of population parameters
  • Create formal assumptions about sample statistics

    • What is the main purpose of testing in the context of hypothesis testing?

  • To calculate confidence intervals for estimation
  • To identify random elements in the sample statistic
  • To ascertain the veracity of a statement or hypothesis (correct)
  • To create assumptions and procedures for statistical sampling

    • What is the goal of statistical inference?

  • To establish formal assumptions and procedures for sampling
  • To find the true population parameters from sample statistic (correct)
  • To verify the accuracy of existing population parameters
  • To calculate confidence limits for a given dataset

    • How is a hypothesis defined in the context of statistics?

    <p>A claim or assumption about a situation or event based on known facts</p> Signup and view all the answers

    What complements hypothesis testing and is used to find out about true population parameters from sample estimates?

    <p>p-value Approach</p> Signup and view all the answers

    What is the role of probability distributions in hypothesis testing?

    <p>It is used to determine the likelihood of sample statistics</p> Signup and view all the answers

    What is the main purpose of a hypothesis in research?

    <p>To provide a reason for an observed phenomenon</p> Signup and view all the answers

    Which of the following is a characteristic of a hypothesis?

    <p>Limited in scope and specific</p> Signup and view all the answers

    What does a hypothesis need to be in order to make relationships or comparison possible?

    <p>Quantifiable and measurable</p> Signup and view all the answers

    What are the two types of hypotheses in statistics?

    <p>Null Hypothesis and Alternative Hypothesis</p> Signup and view all the answers

    What does a hypothesis need to be in order to be amenable to scientific investigation?

    <p>Clear, precise, quantifiable, and consistent with established facts</p> Signup and view all the answers

    What should a hypothesis be consistent with?

    <p>Established facts</p> Signup and view all the answers

    What does a hypothesis need to be supported by?

    <p>A body of theory or knowledge</p> Signup and view all the answers

    What is the main role of a hypothesis in statistics?

    <p>'Testing' propositions based on scientific methods</p> Signup and view all the answers

    Why should a hypothesis be expressed in conventionally accepted terms and concepts?

    <p>'To facilitate' scientific investigation</p> Signup and view all the answers

    'What types of statements can be formulated in two almost opposite ways in statistics?'

    <p>'Positive' statements and 'Alternative' statements</p> Signup and view all the answers

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