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STA1510
EXAM PACK
FOR ASSISTANCE WITH THIS MODULE +27 67 171 1739
,ADDENDUM A: FIRST SEMESTER ASSIGNMENTS
A.1 Assignment 01
ONLY FOR SEMESTER 1 STUDENTS
ASSIGNMENT 01
Chapters 1, 2 and 3
Unique Nr.: 705199
Fixed closing date: 21 February 2020
Please note that as explained before, examination admission for this module is by obtaining
at least 40% in your year mark. Your year mark is the average of your best three assignment
marks out of four.
This multiple-choice assignment will be marked by computer. Hence the closing date is fixed and
no extension of time can be granted.
Your answers must be entered on an optical mark reading sheet. But before you attempt that,
please study in detail the relevant chapter of the publication Study @ Unisa. Please make sure
that you know how to handle the optical mark reading sheets, since sheets which are marked
incorrectly and which are rejected by the computer will not be marked by hand and students will
not receive marks for such assignments. The unique number appearing in the box above links
your assignment to the corresponding set of answers in the computer. It must therefore be filled in
correctly on the optical mark reading sheet.
Note that your assignment will not be returned to you. Please keep a record of your answers so
that you can compare them with the correct answers.
In each of the following ten questions, mark the number of the answer that you think is correct.
QUESTION 1
Which of the following statements is/are true?
A. Categorical variables are the same as qualitative variables
B. Quantitative variables can be continuous variables
C. Numerical variables are also known as qualitative variables.
1. A only
2. B only
3. A and C only
4. A and B only
5. C only
19
,QUESTION 2
Distance and mass are examples of:
1. discrete data
2. nominal data
3. continuous data
4. qualitative data
5. categorical data
QUESTION 3
Consider the histogram of the numeric distribution for the amount spend on groceries by The
Shoppers.
14
14
Number of shoppers
7
7
5
3
1
400 800 1200 1600 2000 2400
Amount spent
What proportion of the shoppers spent between R1200 and R1600?
1. 13:3%
2. 16:7%
3. 86:7%
4. 100%
5. 20%
20
, Question 4 and 5 is based on the information below.
Consider the following cumulative frequency.
Class limits Frequency
0 under 5 5
5 under 10 11
10 under 15 7
15 under 20 13
20 under 25 5
QUESTION 4
The cumulative frequency for the class 10 under 15 is equal to?
1. 11
2. 23
3. 6
4. 25
5. 7
QUESTION 5
The relative frequency for 15 under 20 is equal to?
1. 0:27
2. 0:17
3. 0:88
4. 0:32
5. 0:56
QUESTION 6
Consider the following data set:
3; 3; 6; 4; 10; 4; 10; 2; 1; 5; 1
Calculate the range of the data set.
1. 6
2. 3
3. 2
4. 14
5. 4:5
21
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