When more cases in a distribution curve are in the extreme upper or lower areas of the curve, the ...

When more cases in a distribution curve are in the extreme upper or lower areas of the curve, the curve is no longer bell-shaped; it becomes __________.
 
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A measure of spread around the center of distribution that gives the researcher the score at a specific place within the distribution is called a __________.
 
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This measure of central tendency requires that one half of the variables are above it and half are below it on a curve. This is called the __________.
 
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If the level of significance is 0.001, this means that the results are due to chance factors 1 in
 
  __________ times?
 
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This coefficient tells the researcher the size and direction of effects in multiple regression analysis and is known as the __________ coefficient.
 
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