7) Decide if the following are positive or negative correlations: a) the more hours studying, the higher the students’ GPA______ b) the more cardiovascular exercise, the lower the heart disease________ c) the more cigarettes smokes, the higher cases of liung cancer.

7) Decide if the following are positive or negative correlations: a) the more hours studying, the higher the students’ GPA b) the more cardiovascular exercise, the lower the heart disease__ c) the more cigarettes smokes, the higher cases of liung cancer.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

7) Decide if the following are positive or negative correlations:

a) the more hours studying, the higher the students’ GPA______
b) the more cardiovascular exercise, the lower the heart disease________
c) the more cigarettes smokes, the higher cases of liung cancer.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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