b. Eind the values and discuss what the following mean in context. i. The slope of the regression equation ii. The y-intercept of the regression equation iii. The correlation r iv. The coefficient of determination r2. c. Do the data provide convincing evidence that there is a linear relationship between temperature and the amount of ice cream Carry out an appropriate test at a significance level of 0.05 to help answer this question.

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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2. Use the example of temperature and the amount of ice cream sold in a city each
day, we are interested in creating an equation that will allow us to predict the amount
of ice cream that are sold in the future simply by knowing temperature. (Please fill
out the red blanks with appropriate numbers randomly. The numbers you choose
should not be the same as your friends')
Average Temp (C)
Sales (kg)
18
2455
20
2525
21
----
27
2841
29
2966
------
-----
34
-----
36
3125
------
------
40
3366
42
-----
b. Eind the values and discuss what the following mean in context.
i. The slope of the regression equation
ii. The y-intercept of the regression equation
iii. The correlation r
iv. The coefficient of determination r2.
c. Do the data provide convincing evidence that there is a linear relationship between
temperature and the amount of ice cream Carry out an appropriate test at a
significance level of 0.05 to help answer this question.
Transcribed Image Text:2. Use the example of temperature and the amount of ice cream sold in a city each day, we are interested in creating an equation that will allow us to predict the amount of ice cream that are sold in the future simply by knowing temperature. (Please fill out the red blanks with appropriate numbers randomly. The numbers you choose should not be the same as your friends') Average Temp (C) Sales (kg) 18 2455 20 2525 21 ---- 27 2841 29 2966 ------ ----- 34 ----- 36 3125 ------ ------ 40 3366 42 ----- b. Eind the values and discuss what the following mean in context. i. The slope of the regression equation ii. The y-intercept of the regression equation iii. The correlation r iv. The coefficient of determination r2. c. Do the data provide convincing evidence that there is a linear relationship between temperature and the amount of ice cream Carry out an appropriate test at a significance level of 0.05 to help answer this question.
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