DSC1630 - Assessment 5 (page 1 of 15) https://cems.myexams.unisa.ac.za/mod/quiz/attempt.php?attempt=37
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Question 1
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The following table supplies data of the inflation rate and the corresponding prime lending rate during the same time period.
Inflation rate (%) Prime rate (%)
x y
3,3 5,2
6,2 8,0
11,0 10,8
9,1 7,9
5,8 6,8
6,5 6,9
7,6 9,0
The correlation coefficient to three decimal places, is
a. −0,908.
b. +0,908.
c. +0,546.
d. +0,495.
Clear my choice
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,DSC1630 - Assessment 5 (page 2 of 15) https://cems.myexams.unisa.ac.za/mod/quiz/attempt.php?attempt=37
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Question 2
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Monthly payments of R1 200 are paid into an account earning 7,75% interest per year, compounded quarterly. The accumulated amount rounded to the
nearest hundred rand after 10 years is
a. R291 100.
b. R144 000.
c. R215 900.
d. R216 500.
Clear my choice
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1 of 1 2025/05/15, 10
Dashboard Calendar
Dashboard / My courses / DSC1630-25-S1 / Welcome message / DSC1630 - Assessment 5
Time left 1:13:54
Question 1
Not yet answered
Marked out of 1.00
The following table supplies data of the inflation rate and the corresponding prime lending rate during the same time period.
Inflation rate (%) Prime rate (%)
x y
3,3 5,2
6,2 8,0
11,0 10,8
9,1 7,9
5,8 6,8
6,5 6,9
7,6 9,0
The correlation coefficient to three decimal places, is
a. −0,908.
b. +0,908.
c. +0,546.
d. +0,495.
Clear my choice
Jump to...
Additional Resources ►
1 of 1 2025/05/15, 10
,DSC1630 - Assessment 5 (page 2 of 15) https://cems.myexams.unisa.ac.za/mod/quiz/attempt.php?attempt=37
Dashboard Calendar
Dashboard / My courses / DSC1630-25-S1 / Welcome message / DSC1630 - Assessment 5
Time left 1:13:01
Question 2
Not yet answered
Marked out of 1.00
Monthly payments of R1 200 are paid into an account earning 7,75% interest per year, compounded quarterly. The accumulated amount rounded to the
nearest hundred rand after 10 years is
a. R291 100.
b. R144 000.
c. R215 900.
d. R216 500.
Clear my choice
Jump to...
Additional Resources ►
1 of 1 2025/05/15, 10
