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A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales, the managers kept track of how many kilograms of each variety of coffee were sold last month. The data and summary statistics (including the averages, standard deviations and the correlation coefficient) are shown in the table. If the "price per kilogram" is the predictor variable and "kilograms sold" is the response variable, then use a regression line to predict the the amount of kilograms sold for a "price per kilogram" equal to $15.   Round your numbers to 3 decimal places.

A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales, the managers kept track of how many kilograms of each variety of coffee were sold last month. The data and summary statistics (including the averages, standard deviations and the correlation coefficient) are shown in the table. If the "price per kilogram" is the predictor variable and "kilograms sold" is the response variable, then use a regression line to predict the the amount of kilograms sold for a "price per kilogram" equal to $15.   Round your numbers to 3 decimal places.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales, the managers kept track of how many kilograms of each variety of coffee were sold last month. The data and summary statistics (including the averages, standard deviations and the correlation coefficient) are shown in the table. If the "price per kilogram" is the predictor variable and "kilograms sold" is the response variable, then use a regression line to predict the the amount of kilograms sold for a "price per kilogram" equal to $15.  

Round your numbers to 3 decimal places.

PRICE PER KILOGRAM $ 3.99 $ 5.99 KILOGRAMS SOLD 75 60 $ 7.00 $ 12.00 $ 4.50 65 45 80 $7.50 70 $ 15.00 $ 10.00 $ 12.50 $ 8.99 25 35 40 50 Mean Standard Deviation $ 8.75 $ 3.63 54.50 18.33 Correlation -0.927
Transcribed Image Text:PRICE PER KILOGRAM $ 3.99 $ 5.99 KILOGRAMS SOLD 75 60 $ 7.00 $ 12.00 $ 4.50 65 45 80 $7.50 70 $ 15.00 $ 10.00 $ 12.50 $ 8.99 25 35 40 50 Mean Standard Deviation $ 8.75 $ 3.63 54.50 18.33 Correlation -0.927
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