Data Presentation Flashcards by Amrita Sanghera

Q

What are the 3 measures of central tendency?

A

Mean
Mode
Median

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Q

What are the 4 measures of spread?

A

Range
Interquartile range
Standard deviation
Variance

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Q

What does a small interquartile range (IQR) show?

A

Consistent data

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Q

Formula to find the mean

A

x̄ = Σx / n

mean = sum of x / number of terms

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