Distributions

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5 Terms

1
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Where are the mode, median & mean on a distribution?

  • Mode is at the top

  • Mean is at the bottom

  • Median is in the middle of both 

2
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Normal distribution AO1

  • A symmetrical spread of frequency data that forms a bell-shaped curve

  • Mean, mode & median are the same/similar

<ul><li><p>A symmetrical spread of frequency data that forms a bell-shaped curve</p></li><li><p>Mean, mode &amp; median are the same/similar </p></li></ul><p></p>
3
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Skewed distribution AO1

A spread of frequency data that isn’t symmetrical, where the data instead clusters to one end

4
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Positive distribution AO1

  • Also know as right skew as mean is to the right

  • Mean is more than the mode

<ul><li><p>Also know as right skew as mean is to the right </p></li><li><p>Mean is more than the mode </p></li></ul><p></p>
5
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Negative distribution AO1

  • Also known as left skew as mean is to the left

  • Mean is less than the mode

<ul><li><p>Also known as left skew as mean is to the left</p></li><li><p>Mean is less than the mode </p></li></ul><p></p>