In order for a company\'s employees to work in a foreign office, they must take

Question

In order for a company's employees to work in a foreign office, they must take a test in the language of the country where they plan to work. The data below shows the relationship between the number of years that employees have studied a particular language and the grades they received on the proficiency exam. Find the equation of the regression line for the given data. Round the regression line values to the nearest hundredth. a) y = 6.91x - 46.26 b) y = 6.91x + 46.26 c) y = 46.26x - 6.91 d) y = 46.26x + 6.91 Provide an appropriate response.

Explanation / Answer

On calculating the slope and intercept of the equation from the given data, we get

Intercept = 46.26

slope = 6.91

So the equation is -

Y-hat = 6.91x + 46.26

So,

Answer (b) y-hat = 6.91x + 46.26

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