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 (C)</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 (C)</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 (B)</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 (D)</p> Signup and view all the answers

Which of the following is a characteristic of a hypothesis?

<p>Limited in scope and specific (A)</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 (D)</p> Signup and view all the answers

What are the two types of hypotheses in statistics?

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

What should a hypothesis be consistent with?

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

What does a hypothesis need to be supported by?

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

What is the main role of a hypothesis in statistics?

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

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

<p>'To facilitate' scientific investigation (C)</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 (D)</p> Signup and view all the answers

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