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Module 6 Statistics Review Quiz April 9 2024

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  • What is an interval level of measurement?
    Measurement where values between variables has meaning
    Variable Data can only be ranked
    Variable Data can only be categorized
    None of the above
  •  15
  • What is a Parameter?
    A numerical characteristic of a population
    A value below which a given percentage of observations fall
    A sample Statistic
    A value that divides a list of numbers into quarters
  •  15
  • What are levels of measurement?
    Only describes nominal variables
    Only describes ordinal variables
    A classification that describes the nature of information
    Only describes interval variables
  •  15
  • What does a p-value represent in statistical tests?
    The variance in the sample population
    The sample mean
    The probability of the obtained results when null is true
    A significance level
  •  15
  • True or False: The p-value is a proportion. If your p-value is 0.05, it means that 5% of the time, you would observe a test statistic at least as extreme as the one you found if the null hypothesis were true.
    True
  •  15
  • True or False. When p > α, you should fail to reject the Null hypothesis.
    True
  •  15
  • Since p (.04) < a (.05), p < α, do we accept or reject the null hypothesis?
    We reject the null hypothesis
  •  15
  • True or False: Sigma represents the standard deviation of a population?
    True
  •  15
  • True or False. The divisor for the standard deviation of a sample is n-1?
    True
  •  15
  • For comparing the means of two separate groups, which is the best test?
    Independent T-test
    Chi-squared
    Regression
    ANOVA
  •  15