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Statistics > Measures of location and spread > Flashcards

Measures of location and spread Flashcards

1
Q

Outline linear interpolation method

A

(width of class/number in class) x number into class + lower bound of class

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2
Q

Using linear interpolation to find IQR/IPR

A

identify 1st quartile and 3rd quartile
carry out linear interpolation method

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3
Q

Finding variance and standard deviation

A

variance = standard deviation squared

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4
Q

Coding

A
  • add/subtract does not affect SD
  • multiply/divide affects SD by scale factor
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Statistics (10 decks)

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