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The t test assumes that the independent variable affects either the mean of the dependent variable or the standard deviation, but not both.
Q36: By definition the degrees of freedom for
Q73: In analyzing the results of the correlated
Q76: Prior to a recent gubernatorial election, a
Q82: The Mann-Whitney U test uses both the
Q89: The confidence interval for the population mean
Q109: What we are testing with the z
Q120: The following probabilities are the results of
Q137: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9373/.jpg" alt=" equals _. A)
Q160: The sum of df within and df
Q205: The value for Q <sub>crit</sub> using the