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STA1506 ASSIGNMENT 2 SOLUTIONS

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  • Course
  • Sta1506 (STA1506)
  • Institution
  • University Of South Africa (Unisa)

This document contains all the answers for the assignment 2 STA. All functions are compiled from Microsoft excel(full functions within the answers) Pivot frequency tables and pie chart are also compiled with Microsoft excel and pasted in the document to answer the relevant questions

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  • July 28, 2023
  • 8
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • sta1506

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  • University of South Africa (Unisa)
  • Sta1506 (STA1506)
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, STA1506
ASSIGNMENT 2
Basic Statistical Computing


QUESTION 1
(a) How many random variables are being studied in the questionnaire?

There are a total of 5 variables under section A (Demographics) and 2 variables under section B
(Usage levels). Therefore, the total number of random variables being studied is 5 + 2 = 7.



(b) For each variable being measured in the questionnaire from A1 to A5 and B1 to B2:

(i) Suggest the name of the variable,

(ii) Identify the data type of the random variable,

(iii) Identify the measurement scale of the variable being measured.



Variables under section A (Demographics):

A1:

(i) Name: Age

(ii) Data type: Discrete

(iii) Measurement scale: Ordinal (The categories have a meaningful order, but the intervals between
categories are not necessarily equal.)

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