Symbols of correlation & regression Flashcards

1
Q
  1. Mean (x̄)
  2. n (wth is that)
  3. Sum of x values (∑x)
  4. Sum of x² values (∑x²)
  5. Population variance (σ²x)
  6. Sample variance (s²x)
  7. Population standard deviation (σx)
  8. Sample standard deviation (sx)
  9. Lower quartile (Q1)
  10. Upper quartile (Q3)
  11. Median (med)
A

Ty

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2
Q

What symbol is this?

A

Mean

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3
Q

What symbol is this?
n

A

I actually don’t know

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4
Q

What symbol is this?
∑x

A

Sum of x values

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5
Q

What symbol is this?
∑x²

A

Sum of x² values

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6
Q

What symbol is this?
σ²x

A

Population variance

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7
Q

What symbol is this?
s²x

A

Sample variance

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8
Q

What symbol is this?
σx

A

Population standard deviation

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9
Q

What symbol is this?
sx

A

Sample standard deviation

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10
Q

What symbol is this?
Q1

A

Lower quartile

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11
Q

What symbol is this?
Q3

A

Upper quartile

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12
Q

What symbol is this?
med

A

Median… rlly nickg

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