Chapter $14\mathrm{.}3$ Homework

Chapter $14\mathrm{.}3$ Homework $-$ BBA $-$

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Consider the data.

$\backslash$table$[[x_i,2,6,9,13,20],[y_i,6,16,11,28,21]]$

The estimated regression equation for these data is $y=7\mathrm{.}4+0\mathrm{.}9x.$ What percentage of the total sum of squares can be accounted for by the estimated regression equation? $($Round your answer to one decimal place.$)$

$\%$

What is the value of the sample correlation coefficient? $($Round your answer to three

Which of the following is commonly used in sales writing even though it is incorrect and inappropriate in other forms of business writing?

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$$ a conversational style

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