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STA1510 OCTOBER NOVEMBER 2021 EXAM MEMO

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Institution University Of South Africa (Unisa)
Course STA1510 - Basic Statistics (STA1510)
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STA1510 OCTOBER NOVEMBER 2021 EXAM MEMO

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2022




STA1510-BASIC STATISTICS




OCTOBER/NOVEMBER 2021
QUESTIONS & ANSWERS
Structural Engineer
M.Sc.,B.Sc. Hons. Civil Engineering
Moscow Russia
WhatsApp 081 837 6138

, 1. The number of customers who visit a store daily is an example of?


A. Continuous data
B. Ordinal data
C. Qualitative data
D. Discrete data
E. Categorical data


2. The following graph shows the duration of a sample of international phone calls using a prepaid calling
card.




14

14



7

7 5

3

1

0 8 16 24 32 40 48

What percentage of calls belong to the least frequent time interval?

A. 16.67%
B. 3.33%
C. 23.33%
D. 46.67%
E. 10%




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