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Exam (elaborations)

STA1510 ASSESSEMENT 1 OF 2025 EXPECTED QUESTIONS AND ANSWERS

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2024/2025 Written for academic year
Institution University Of South Africa (Unisa)
Course Basic Statistics (STA1510)
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THIS DOCUMENT CONTAINS STA1510 ASSESSEMENT 1 OF 2025 EXPECTED QUESTIONS AND ANSWERS. USE IT AS A GUIDE TO SCORE ABOVE 75%

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UNISA  2025  STA1510-25-Y  Welcome Message  Assessment 1


QUIZ




Question 1
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Consider the following pie chart:




If Lerato calculates her percentages in the evening over 10 hours, how much time does she spend in her bedroom?




bathroom =0.1*10=1
a. 2 hours. bedroom =0.2*10=2
b. 1 hour. lounge=0.2*10=2
c. 3 hours.
Kitchen=0.5*10=5
d. 5 hours.

e. 2.5 hours.

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, UNISA  2025  STA1510-25-Y  Welcome Message  Assessment 1


QUIZ




Question 2
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The following data are salaries (in thousands of Rands) of a sample of 13 employees of a firm:




The coefficient of variation is?




a. 47%

b. 26.64%

c. 70.97%
d. 24.69%

e. 10.79%

Clear my choice




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