Question

I need assistance with Part B and E

A graphing calculator is recommended The table shows (lifetime) peptic ulcer rates (per 100 population) for various family incomes as reported by the National Health Interview Survey Ulcer rate (per 100 population) 14.1 $4,000 $6,000 13.0 $8,000 13.4 12.5 $12,000 $16,000 12.0 $20,000 12.4 $30,000 10.5 $45,000 9.4 $60,000 8.2 a) Make a scatter plot of these data Tools Clear All Doloo FI Solution Object Properties Select a Tool ar Object to Begin Correct Help tool Submission Data Decide whether a linear model is a riate o Yes, a linear model is appropriate No, a linear model is not appropriate (b) Find a linear model using the first and last data points. (Use x for income measured in dollars and y for ulcers per 100 people. Round your values to eight decimal places.) Graph the linear model using the first and last data points Ulcer Rate Ulcer Rate 14 12 15000 30000 45000 60000 15000 30000 45000 60000 Ulcer Rate Ulcer Rate 12 12 15000 3000 45000 60000 530000 45000 60000 (c) Find the least squares regression line. (Use x for income measured in dollars and y for ulcers per 100 people. Round your values to eight decimal places.) (-1-10-4)-13.951 | v y Graph the least squares regression line Ulcer Rate Ulcer Rate 14E. 12 12 30000 5000 60000 1500 30000 15000 60000 Ulcer Rate Ulcer Rate 14 12 12 10 15000 30000 45000 60000 0 15000 30000 45000 60000 the linear model in part (c) to estimate the ulcer rate for an income of $25,000. (Round your answer to three decimal places.) 115x (e) According to the model, how likely is someone with an income of $85,000 to suffer from peptic ulcers? (Round your answer to three decimal places.) 6.021 x% (f) Do you think it would be reasonable to apply the model to someone with an income of $200,000? Yes o No

Answer 1

slope 아 line 0035 60 0000 Lj-1401 g/-:6,000 105353 C7-4000 디 |zjn/-0.000 1053万9다부, 5214 13-62