Problem # 4 (12 points) The following scatter plot illustrates the association b

Question

Problem # 4 (12 points) The following scatter plot illustrates the association between College Attainment pt for the 50 25+ year olds with States in 2013. (Available at: www.bls.gov/oes/current/loessrcst.htm) (percent of o BA or higher degree) and Median Hourly Wage (in S) measured for the 5o 20.00- 16.00 4.00 College Attainment, in % of 25+ year olds with BA or higher (2 points) a. What does each dot in this scatter plot represent? b. In this model, the explanatory variable is and the response variable is (2 points c. Circle a reasonable estimate for the value of the correlation coefficient r in this model. lli) 1.35 IV) 0.702 1) 0.135 Give reason(s) for your choice. II)-0.655 (3 points Show your work. Partial credit will he riven

Explanation / Answer

a. The dots in scatter plot represent the median hourly wage (in $) according to college attainment ( % of 25 year old with BA or higher degree).

b. Explanatory variable is College attainment (% of 25 years old with BA or higher degree). This is the independent variable.

Response variable is Median hourly wage (in $) . This is dependent variable.

c. Reasonable choice for correlation coefficient is 0.702. Because, these is strong positive linear relationship between the two variables.

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