Quantitative data analysis

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10 Terms

1
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strength of mean

-more sensitive than median, uses all values

2
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weakness of mean

misrepresentative if there is an extreme value

3
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strength of median

not affected by extreme scores, representative

4
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weakness of median

Less sensitive than the mean

5
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Strength of mode

useful for when data is in categories

6
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Weakness of mode

not useful for when there are several modes and need a big data sample to give valid value

7
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Advantage of range

Easy to calculate

8
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Disadvantage of range

only takes into account two most extreme values, unrepresentative

9
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Strength of standard deviation

More precise, as it includes all values in the final calculation

10
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Weakness of standard deviation

-can be distorted by a single value