Answered: In the following scenarios determine…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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In the following scenarios determine whether:

A causes B
B causes A
There is a Common Cause
Accidental Correlation

1. There is a positive correlation between LBCC’s spending on free textbooks and 3D Printers (A) and bike thefts, and petty larceny in the city of Long Beach (B).

2. There is a positive correlation between the amount of time a student spends doing online homework (A) and the temperature increase during the week (B).

3. The width of a person’s waist (A) is negatively correlated with the height of their vertical leap (B).

4. There is a negative correlation between the amount of exercise I do (A) and the amount of money I spend on movie tickets (B).

5. The amount of vitamins consumed by the elderly (A) and a positive correlation to longevity (B).

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