Distribution of Means in Statistics
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Questions and Answers

What is the distribution of means?

  • The variance of the population divided by the number of scores in each sample
  • The mean of the population of individuals
  • The distribution of means of samples of a given size from a population (correct)
  • The comparison distribution when testing hypotheses involving a single sample of more than one individual

What is the mean of a distribution of means?

  • The variance of the population divided by the number of scores in each sample
  • The standard deviation of the population
  • The mean of the population of individuals (correct)
  • The standard deviation of the population divided by the square root of the number of scores in each sample

What is the variance of a distribution of means?

  • The square root of the variance of the population divided by the number of scores in each sample
  • The variance of the population divided by the number of scores in each sample (correct)
  • The mean of the population of individuals
  • The variance of the population

What is the standard deviation of a distribution of means?

<p>The square root of the variance of a distribution of means (D)</p> Signup and view all the answers

What is the standard error of the mean (SEM)?

<p>The same as the standard deviation of a distribution of means (D)</p> Signup and view all the answers

What is the standard error (SE)?

<p>The same as the standard deviation of a distribution of means (D)</p> Signup and view all the answers

What is a Z test?

<p>A hypothesis-testing procedure in which there is a single sample and the population variance is known (C)</p> Signup and view all the answers

What is a confidence interval (CI)?

<p>The range of possible population means from which it is not highly unlikely that you could have obtained your sample mean (D)</p> Signup and view all the answers

Which of the following is not true about the distribution of means?

<p>It is the comparison distribution when testing hypotheses involving a single sample of more than one individual (C)</p> Signup and view all the answers

What is the relationship between the standard deviation of the population and the standard error of the mean (SEM)?

<p>The SEM is the standard deviation of the population divided by the square root of the number of scores in each sample (A)</p> Signup and view all the answers

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