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Assessment 1_ IOP2601 SEMESTER 2 2024 Use the data sets below to answer the question that follows. X: 7 9 8 7 6 8 1 6 9 8 Y: 1 2 2 3 1 2 4 5 4 5 What is the mean of X ( $2.80
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  3. University Of South Africa (Unisa)
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  5. Economics IA (IOP2601)

Exam (elaborations)

Assessment 1_ IOP2601 SEMESTER 2 2024 Use the data sets below to answer the question that follows. X: 7 9 8 7 6 8 1 6 9 8 Y: 1 2 2 3 1 2 4 5 4 5 What is the mean of X (
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  • Economics IA (IOP2601)
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  • University Of South Africa (Unisa)
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  • Psychology in the Work Context

Assessment 1_ IOP2601 SEMESTER 2 2024 Use the data sets below to answer the question that follows. X: 7 9 8 7 6 8 1 6 9 8 Y: 1 2 2 3 1 2 4 5 4 5 What is the mean of X (

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  • August 8, 2024
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  • 2024/2025
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  • assessment 1 iop2601 semester 2 2024

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  • Economics IA (IOP2601)
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8/5/24, 5:03 PM Assessment 1




IOP2601-24-S2  Welcome Message  Assessment 1

QUIZ




Question 1

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The mode for the dataset of 8, 7, 8, 7, 1, 7, 2, 7, 5, 6 is _______.


A. 5
B. 5,5
C. 7
D. 1,5
Clear my choice




Question 2

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The range for the dataset of 8, 3, 8, 7, 2, 7, 2, 7, 5, 6 is _______.


A. 8
B. 6
C. 2
D. 7

Clear my choice




Question 3
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The slope of a non-linear graph is always _____.


A. negative
B. not constant
C. positive
D. constant

Clear my choice



https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=20587705&cmid=854233 1/11

,8/5/24, 5:03 PM Assessment 1

Question 4

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It is important to remember that module IOP2601 is a course in mathematics, therefore you need to know some basic
algebraic principles. Is this statement true or false?




A. False

B. True

Clear my choice




Question 5
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A variable that can take any value within a defined range is _______.


A. nominal
B. discrete
C. continuous
D. ordinal

Clear my choice




Question 6
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The _____ is the middle score in a ranked distribution of scores.


A. mean.
B. range
C. mode
D. median

Clear my choice




https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=20587705&cmid=854233 2/11

, 8/5/24, 5:03 PM Assessment 1

Question 7

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Unimodal distributions have two modes, while bimodal distributions have only one mode. Is this statement true or false?


A. False.
B. True.

Clear my choice




Question 8
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We calculate the percentage frequency of a specific category by dividing its frequency with the total number of items or
subjects, and then multiply by 100. Is this statement true or false?




A. False
B. True
Clear my choice




Question 9

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The kurtosis of a distribution refers to the relative flatness or peakedness in the middle. Is this statement true or false?


A. False
B. True

Clear my choice




https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=20587705&cmid=854233 3/11

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