The heights above sea level and average winter temperatures of cities in a particular country are collected. The summary statistics for this data are as follows: Sea level: AVG = 5400 ft, SD = 2100 ft Average winter temperatures: AVG = 40 degrees F, SD = 25 degrees F r = -0.7 If a city is 5000 ft above sea level, what is its predicted average winter temperature, using the regression line to make the prediction? Choose the answer that is closest. Group of answer choices 50 degrees F 45 degrees F 35 degrees F 40 degrees F
The heights above sea level and average winter temperatures of cities in a particular country are collected. The summary statistics for this data are as follows: Sea level: AVG = 5400 ft, SD = 2100 ft Average winter temperatures: AVG = 40 degrees F, SD = 25 degrees F r = -0.7 If a city is 5000 ft above sea level, what is its predicted average winter temperature, using the regression line to make the prediction? Choose the answer that is closest. Group of answer choices 50 degrees F 45 degrees F 35 degrees F 40 degrees F
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Question
The heights above sea level and average winter temperatures of cities in a particular country are collected. The summary statistics for this data are as follows:
Sea level: AVG = 5400 ft, SD = 2100 ft
Average winter temperatures: AVG = 40 degrees F, SD = 25 degrees F
r = -0.7
If a city is 5000 ft above sea level, what is its predicted average winter temperature, using the regression line to make the prediction? Choose the answer that is closest.
Group of answer choices
50 degrees F
45 degrees F
35 degrees F
40 degrees F
Expert Solution
Step 1
Given that
Sea level: AVG = 5400 ft, SD = 2100 ft
Average winter temperatures: AVG = 40 degrees F, SD = 25 degrees F
r = -0.7
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