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CS241 Lecture 18: CS 241 Lec 18

Canada

Foundations of Sequential Programs

Computer Science

Mark Patrick

University of Waterloo

Business Law

Corporate Finance 2

Data Structures and Data Management

Logic and Computation

Object-Oriented Software Development

Computer Organization and Design

Introduction to Microeconomics

Introduction to Macroeconomics

Microeconomic Theory for Business and Policy

Macroeconomic Theory 1

First-Year Korean 1

Linear Algebra 1 for Honours Mathematics

Introduction to Combinatorics

Probability

Statistics

Regression and Forecasting Methods in Finance

Introduction to Machine Learning

Which of the following best illustrates the relationship between entities and attributes?
<ol>
<li>the entity CUSTOMER with the attribute PRODUCT</li>
<li>the entity CUSTOMER with the attribute PURCHASE</li>
<li>the entity PRODUCT with the attribute PURCHASE</li>
<li>the entity product with the attribute CUSTOMER</li>
</ol>

write an expression that evaluates to true if the str associated with s starts with "p".
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In a small study, 12 women with cervical cancer (cancer of the cervix) and 12 women with no apparent cervical cancer were contacted and asked whether they had ever used the hormone estrogen as a drug. Each woman with cancer was matched by age, race, and weight with a woman without the disease. This is an example of:
a) A randomized controlled trial
b)A prospective cohort study
c) A case-control study
d) A retrospective cohort study

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CS241 Lecture 18: CS 241 Lec 18

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