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STA1501 ASSIGNMENT 1 SECOND SEMESTER 2022
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  • STA1501 ASSIGNMENT 1 SECOND SEMESTER 2022
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  • University Of South Africa

ESTION 1 The following information is collected from an application form for a car–loan to a certain bank. (A) Marital status (B) Total of monthly expenditures in rands (C) Number of jobs in the past ten years (D) Gender of the applicant (E) Street name of the applicant Which of the above ...

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  • May 30, 2022
  • 6
  • 2020/2021
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  • sta1501 assignment 1 second semester 2022

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  • STA1501 ASSIGNMENT 1 SECOND SEMESTER 2022
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STA1501
ASSIGNMENT 1
SECOND SEMESTER
2022

, ASSIGNMENT 01
Chapters 1, 2 and 3
Unique Nr.: 871441

QUESTION 1

The following information is collected from an application form for a car–loan to a certain bank.

(A) Marital status

(B) Total of monthly expenditures in rands

(C) Number of jobs in the past ten years

(D) Gender of the applicant

(E) Street name of the applicant

Which of the above variables are quantitative?

(1) A and B

(2) B and C

(3) C and D

(4) A, B and C

(5) B and E

Interval data are real numbers, such as heights, weights, incomes, and distances. We also refer to
this type of data as quantitative or numerical.

QUESTION 2

The number of words that a typist can type per minute is an example of a ___________

1. quantitative variable, discrete data.

2. qualitative variable, continuous data.

3. quantitative variable, continuous data.

4. qualitative variable, discrete data.

5. qualitative data variable.

A discrete random variable is one that can take on a countable number of values. For example, if we
define X as the number of heads observed in an experiment that flips a coin 10 times, then the
values of X are 0, 1, 2, . . . , 10. The variable X can assume a total of 11 values. Obviously, we counted
the number of values; hence, X is discrete.The number or words typed are whole numbers and are
countable.

QUESTION 3
Consider the histogram of the numeric distribution for the amount spend on groceries by The
Shoppers:

What proportion of the shoppers spent R800 or less?

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