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GZW1026 Oefenvragen tentamen

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Oefenvragen Tentamen GZW1026 Introduction to statistical methods for data analysis Bij elke vraag het antwoord gegeven met uitleg erbij. Alle vragen en de uitleg is in het Engels. Het tentamen zelf zal ook in het Engels zijn, handig dus om alvast met de vraagstelling en met de taal te oefenen!

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  • July 3, 2019
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GZW1026 Introduction to statistical methods for data
analysis
Oefenvragen voor het 6e en laatste tentamen in het Engels met antwoorden en
uitleg bij elke vraag erbij. Per week zijn de vragen opgedeeld in deel 1 en 2. Het
tentamen zelf zal ook in het Engels zijn, goed om hier dus alvast aan te wennen
en mee te oefenen!

 WEEK 1, PART I

Problem 1 (see video lecture (vl) 2, week (wk) 1).

Gender is an example of what level of measurement?

a. Nominal

b. Ordinal

c. Interval

d. Ratio

There is no ranking in the scores of gender, thus the level of measurement of
this variable is nominal at the most.

Problem 2 (vl 2, wk 1).

Socio-economic status (low, middle, high) is an example of what level of
measurement?

a. Nominal

b. Ordinal

c. Interval

d. Ratio

There is ranking in the scores of socio-economic status, but one cannot compare
differences between the scores, thus the variable is at most of ordinal scale
level.

If one also can compare the differences between the scores, then the variable is
measured at interval scale and for a ratio scale, there additionally should be an
absolute zero.

Problem 3 (vl 6, wk 1).

Which option is the median of the numbers below?

4 5 4 4 3 5 6 3 4 2

a. 10

b. 8

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