Distributions

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4 Terms

1
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normal distribution

bell-shaped curve

most scores are close to the mean, low amount of scores located at the extremes

mean, median and mode all located in the centre

<p>bell-shaped curve</p><p>most scores are close to the mean, low amount of scores located at the extremes</p><p>mean, median and mode all located in the centre</p>
2
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positively skewed distribution

large population of scores fall below the mean

mode is highest point as it isn’t affected by extreme scores

E.g. a very difficult test in which most people get low marks

<p>large population of scores fall below the mean</p><p>mode is highest point as it isn’t affected by extreme scores</p><p>E.g. a very difficult test in which most people get low marks</p>
3
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negatively skewed distribution

large population of scores fall after the mean

mode is highest point as it isn’t affected by extreme scores

E.g. a very easy test in which most people get high marks

<p>large population of scores fall after the mean</p><p>mode is highest point as it isn’t affected by extreme scores</p><p>E.g. a very easy test in which most people get high marks</p>
4
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