2 The U S Census Bureau conducts a survey every month called the American Community Survey to collect data from a sample of the

Question

2 The U S Census Bureau conducts a survey every month called the American Community Survey to collect data from a sample of the American population on things like income and education The table below shows the results from 2019 for workers 25 years and older Educational Level Median Annual Approximate years of education Income 25 876 31 956 38 125 56 344 75 495 Less than high school graduate High school graduate or equivalent Some college or associate degree 10 12 14 Bachelor s degree 16 Graduate or professional degree 18 a Using approximate years of education as x and median annual income as y compute the linear correlation coefficient for these data Round to 3 decimal places 4 pts b What does the value of r indicate about the relationship between x and y Is it positive or negative or non existent Strong or weak Explain 4 pts Determine the equation of the linear regression model for these data The values of slope and y intercept should be exact values so do not round c 10 pts d Use your equation to predict the median annual income of persons with 15 years of education Round your answer to a whole number 5 pts

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