Error bars are necessary to show standard deviation and determine if differences are significant; overlap indicates no significant difference, while non-overlap indicates a significant difference.
Le barre di errore sono necessarie per mostrare la deviazione standard e determinare se le differenze sono significative; la sovrapposizione indica nessuna differenza significativa, mentre la non sovrapposizione indica una differenza significativa.
| Front | Why are error bars necessary? |
|---|---|
| Back | - to show standard deviation - to determine whether differences are significant - if they overlap - no significant difference - if they don't overlap - significant difference |
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