The t -Test can be used with an interval or ratio level dependent variable and a dichotomous nominal ...

The t -Test can be used with an interval or ratio level dependent variable and a dichotomous nominal independent variable.
 
  Indicate whether the statement is true or false

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Inferential statistics:
 
  a. Are limited to descriptively summarizing a study's data.
  b. Pertain to a study's sample, only, and not to any larger population.
  c. Can be used to assess the probability that differences between groups can be attributed to sampling error.
  d. Assess the likelihood that two groups are equivalent.

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The probability of committing a Type II error is one minus statistical power.
 
  Indicate whether the statement is true or false