A) Find Correlation Coefficient to the Set of Data $\{ ( 1,3 ) , ( - 2,9 ) , ( 2,1 ) \}$

question 152

Short Answer

a) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
$\{ ( 1,3 ) , ( - 2,9 ) , ( 2,1 ) \}$
r = __________

b) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
$\{ ( 0,1 ) , ( 1,0 ) , ( 2,1 ) \}$
r = __________

c) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
$\{ ( 0,0 ) , ( 5 , - 5 ) , ( 2 , - 1.7 ) \}$
r = __________

Use correlation coefficients to determine which of the given sets of data is best fit by its associated regression line.

__________

Use correlation coefficients to determine which of the given sets of data is worst fit by its associated regression line .

Is it a perfect fit for any of the data sets

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A business structure owned by a single individual, where the owner is entitled to all profits and responsible for all debts and liabilities.

Business Entity Assumption

An accounting principle that treats a business as an entity separate from its owners, meaning its financial transactions are recorded distinctly from those of its owners or other businesses.

Economic Unit

An entity, such as an individual, household, or organization, considered in economic analysis and decision-making.