distribution

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Last updated 4:31 PM on 9/20/26
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10 Terms

1
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define frequency

how often a score occurs

2
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define distribution

the pattern made by all scores

3
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what does normal distribution look like

symmetrical, bell shaped pattern

<p>symmetrical, bell shaped pattern</p>
4
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where is the mean, median and mode in a normal distribution?

Mean, median and mode all around top of peak on a normal distribution curve 


5
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where are the outliers in normal distribution?

Outliers are 2.5% of the population either side

6
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what are some characteristics of skewed distribution?

  • Average is not in the middle

  • Will have a long tail on one side

  • Scores not equally distributed around the mean


7
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what causes skewed distributions?

lots of extreme scores

8
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what are some characteristics of a right positive skew (distribution)

  • most scores bunched to the left

  • tail to the right

  • mode is left of the mean as mean is affected by extreme scores tailing off to the right


<ul><li><p>most scores bunched to the left</p></li><li><p>tail to the right</p></li><li><p>mode is left of the mean as mean is affected by extreme scores tailing off to the right</p></li></ul><p></p>
9
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what are some characteristics of a left negative skew (distribution)?

  • most scores bunched to right

  • mode is to right of mean as mean is affected by mean scores trailing off to the left


<ul><li><p>most scores bunched to right</p></li><li><p>mode is to right of mean as mean is affected by mean scores trailing off to the left</p></li></ul><p></p>
10
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what is the foot trick to remember left and right skewed distribution?


<p></p>