Identifying Parts of Equations: r

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Identify the parts of a statistical formula

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Hayley Moore

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Hayley Moore

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Ready to use

9 years, 7 months ago

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Hayley Moore 9 years, 7 months ago

Gave some feedback: Ready to use

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Christian Lawson-Perfect commented 9 years, 7 months ago

Really good! Exactly what I had in mind.

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Hayley Moore 9 years, 7 months ago

Created this.

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Question statement

Given the formula

$r = \frac{\sum(x_i-\bar{x})(y_i-\bar{y})}{\sqrt{\sum(x_i-\bar{x})^2\sum(y_i - \bar{y})^2}}$

answer the following questions.

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			Name	Type	Generated Value

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What is $\bar{x}$ ?

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Sum of the observation values

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This question is used in the following exam:

Identifying parts of statistical formulas by Christian Lawson-Perfect in Christian's workspace.

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Taxonomy: mathcentre

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Hayley Moore 9 years, 7 months ago

Christian Lawson-Perfect commented 9 years, 7 months ago

Hayley Moore 9 years, 7 months ago

Error in variable testing condition

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