Statistical Prediction

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2. If question provides radio button choices you can select only one answer.
3. If question provides check boxes you can select upto three answers.
4. If question is true or false, you can select only one answer.

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1.When attempting to predict the effect of a variable on another using statistical prediction, one should be confident that ___________.

      A the effect was really due to the variable and not just due to chance
      B chance is eliminated completely
      C the variables fit the regression line completely
      D there is no cause and effect relationship between the varialbes
      E the slope of the prediction line is high
          Unanswered


2.What is the statistical graph that can be used for prediction?
      A Normal distribution
      B Regression line.
      C Poison distribution
      D Pearson's correlation.
      E Population mean.
          Unanswered



3.What can the slope of a regression line show?
      A The criterion and predictor variables are always related.
      B The criterion and predictor variables are never related.
      C The population mean.
      D The sample mean.
      E How much of a change in the criterion is associated with a change of one unit on the predictor variable.
          Unanswered


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