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In: Statistics and Probability

Applicants for a job in a foreign country are given a language proficiency test. The following...

Applicants for a job in a foreign country are given a language proficiency test. The following data shows the number of years they have studied the language and their grade on the test.

No. of years, x344536237 Test grade, y616875827390587293

(1.)Plot the scatter diagram for the data on the axes below:

(2.)Find the coefficient of correlation ( r )

(3.)Find the Regression line equation for this data.

(4.)Plot the regression line on the same set of axes as the scatter diagram

*include null and alternate hypothesis, a p-value, and a conclusion PRIVATE about the null hypothesis*

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orchestra answered 2 years ago
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