Math Problem Statement
Use the least squares regression line of this data set to predict a value. Ted works with a property developer building houses close to the coastline in Italy. His boss thinks that demand for the houses will be based primarily on their size. Ted wants to show his boss that proximity to the ocean is also a big factor to consider. So, he looks at several houses of the same size in the area. He records the distance of each house from the ocean (in kilometers), x. He also notes the number of people who offered to buy each house, y, when it was last put up for sale. Kilometers from ocean Offers 1 13 3 11 5 13 7 14 9 14 18 4 The least squares regression line of this data set is: y=– 0.484x+14.968 How many offers does this line predict for a house 4 kilometers away from the ocean? Round your answer to the nearest integer. _________________offers
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Algebra
Formulas
y = -0.484x + 14.968
Least squares regression formula
Theorems
Least Squares Method
Suitable Grade Level
Grades 9-12
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