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Quiz

Chap13

Simon Brummond 8 perguntas

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Perguntas do quiz (8)

  1. 1
    Kelbi is conducting her first statistical analysis using hypothesis testing methods. For the sake of science and for the sake of Kelbi's research, which scenario is ideal?
    1. ATo reject the null hypothesis (H0) when the null hypothesis is false.
    2. BTo reject the null hypothesis (H0) when the null hypothesis is true
    3. CTo retain the null hypothesis (H0) when the null hypothesis is false.
  2. 2Which of the following describes the null hypothesis of a Pearson's r test?
    1. AThere is no relationship between the two variables in the population
    2. BThe p value is less than .05.
    3. CThere is a negative relationship between the two variables in the population.
  3. 3
    The p value is the probability of obtaining the sample results _________.
    1. Aif the null hypothesis were true.
    2. Bif the p value is less than .05.
    3. Cif the null hypothesis were not true
  4. 4
    Which of the following describes a Type I error?
    1. ATo reject the null hypothesis (H0) when the null hypothesis is true.
    2. BTo retain the null hypothesis (H0) when the null hypothesis is false.
    3. CTo reject the null hypothesis (H0) when the null hypothesis is false.
  5. 5
    If we know the distribution of something (e.g., t scores or F ratio) when the null hypothesis is true, we can find the ___________ based upon the sample size
    1. Ap value
    2. Bstatistical test
    3. Ceffect size
  6. 6
    To find whether there is a relationship in the population, and the relationship in the sample reflects this, you should determine the _______ .
    1. Astatistical relationship
    2. Bmedian
    3. Cstandard deviation
  7. 7
    To compare more than two means, the most common null hypothesis test is the
    1. AANOVA test
    2. BPearson's r
    3. Ct test
  8. 8
    Which of the following is true of relationship strength and statistical significance?
    1. AStrong relationships based on medium or larger samples are always statistically significant.
    2. BStatistical significance alone is sufficient to indicate relationship strength.
    3. CA relationship's strength has no effect on statistical significance.

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Quiz sobre Chap13, criado por Simon Brummond em 12-12-2017.
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