Domaines de spécialité anglais 3CHBDOM6 - Année 2006/2007 Contrôle mai 2007 - RN

Answer briefly and to the point ( ! )

CORRIGÉ

1. What is the mean value in the set: 9, 9, 9, 11, 6, 6, 20 ………………10……….

2. What is the median of the set? ……9……… (puisqu’il y a deux valeurs au-dessus, et deux valeurs en dessous)

3. What is the mode of the set? ……9………

4. What does n=18 mean when describing a sample? This is the size of the sample

5. In which of the two sets is dispersion larger? a. 11, 10, 13, 6, 12, 11, 10 b. 9, 14, 1, 18, 21, 5, 3 ….In set b………..

6. What do statisticians mean when they say that a significant difference was found between two populations?

That the two populations are truly different, as opposed to differences found in the samples which represent them due to random variation.

7. What is a negative correlation?

…One in which when values of one variable go up, values of the other variable go down ………….

8. Why are statistics necessary?

…Because the human brain alone cannot analyze fully the patterns which the numbers reflect

(certains étudiants ont expliqué pourquoi les statistiques étaient utiles, mais n’ont pas répondu à la question sur la nécessité).

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Domaines de spécialité anglais 3CHBDOM6 - Année 2006/2007 Examen mai 2007 – RS 1^e session

Answer briefly and to the point ( ! )

CORRIGÉ

1. List 3 processes by which new terms are generated.

…Naming entities after the name of their discoverer, giving words from everyday language a new meaning, translating a name which exists in another language, composing a new word with morphemes from Greek and/or Latin….

2. How do you define a Language for Special Purposes?

…A language spoken by experts to deal with their field of expertise which is not shared by the public at large ……………………

3. What is the difference between an expert's and a layman's comprehension of a specialized text?

……The expert has a better grasp of the nature of the noun entities and can relate them to many more entities s/he knows about in a semantic net……………………

4. What is the difference between naturalistic research and experimental research?

……Naturalistic research studies phenomena as they occur in real life, whereas experimental research created specific conditions for the purpose of studying them. …

5. Can social sciences be considered truly scientific? Why?

…Yes: if social scientists follow the norms of scientific research, there is no reason why their work should not be considered truly scientific………

6. What is the median of the set 9, 9, 9, 11, 6, 6, 20 ? ……9…………

7. In which of the two sets is dispersion larger? a. 11, 10, 13, 6, 12, 11, 10 b. 9, 14, 1, 18, 21, 5, 3

…In set b………..

8. What do statisticians mean when they say that a significant difference was found between two populations?

…………That the two populations are truly different, as opposed to differences found in the samples which represent them due to random variation.……………………………………………