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IOP2601 ASSIGNMENT 1 SEMESTER 1 2023
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,Assessment 1: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=87 Dashboard Calendar
Dashboard / Courses / UNISA / 2023 / Semester 1 / IOP2601-23-S1 / Welcome Message / Assessment 1
Started on Sunday, 2 April 2023, 7:20 PM
State Finished
Completed on Monday, 3 April 2023, 7:22 AM
Time taken 12 hours 2 mins
Grade 30.00 out of 30.00 (100%)
Question 1
Correct
Mark 1.00 out of 1.00
Which one of the following statements is true about IOP2601?
A. The module focuses on identifying research questions and drawing conclusions.
B. The module entails techniques of collecting and interpreting research information.
C. The module focuses predominantly on the fourth step of the research process.
D. The module mainly focuses on drawing conclusions about the relationships of variables.
Well done�
�
Figure 2 on page 5 of the study guide illustrates data analysis as the research step that IOP2601 focusses on. Also, read the explanation
provided on the next page, Lesson 1.
The correct answer is: The module focuses predominantly on the fourth step of the research process.
Question 2
Correct
Mark 1.00 out of 1.00
Measures of central tendency provide a summary of a collection of numbers. Is this statement true or false?
A. True.
B. False.
Well done�
�
Go through Tutorial 3 of Tredoux and Durrheim (2019). Also refer to your study guide, Lesson 5, from page 43.
The correct answer is: True.
1 of 15 4/3/2023, 7:23
,Assessment 1: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=87
Question 3
Correct
Mark 1.00 out of 1.00
Dashboard Calendar
Use the table below to answer the question that follows.
Dashboard / Courses / UNISA / 2023 / Semester 1 / IOP2601-23-S1 / Welcome Message / Assessment 1
Class interval Frequency Cumulative % Frequency Cumulative % frequency
frequency
70 - 74 7 110 ? 100
65 - 69 11 ? 10 94
60 - 64 ? 92 21 84
55 - 59 25 69 23 ?
50 - 54 30 44 27 40
45 - 49 14 14 13 13
What is the total of the scores in this distribution?
A. Not enough information is provided.
B. 74
C. 100
D. 110
Well done�
�
Answer: The total of the scores in the distribution (sum of the frequency scores) is 110. See study guide, Lesson 4. This is also
explained in Tutorial 2 of Tredoux and Durrheim (2019).
The correct answer is: 110
Question 4
Correct
Mark 1.00 out of 1.00
When calculating a variance, a value of -1,2 represents which one of the following statements?
A. All observations were at the mean.
B. The distribution is very negatively skewed.
C. The distribution is positively skewed.
D. You would never obtain a negative variance.
well done�
�
The variance can never be a negative value. Refer to the hint on page 59 of the study guide, Lesson 6.
The correct answer is: You would never obtain a negative variance.
2 of 15 4/3/2023, 7:23
,Assessment 1: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=87
Question 5
Correct
Mark 1.00 out of 1.00
Dashboard Calendar
A variable that can take any value within a defined range is _______.
Dashboard / Courses / UNISA / 2023 / Semester 1 / IOP2601-23-S1 / Welcome Message / Assessment 1
A. continuous
B. discrete
C. nominal
D. ordinal
well done�
�
Refer to Tutorial 1 of the textbook.
The correct answer is: continuous
Question 6
Correct
Mark 1.00 out of 1.00
There are typical steps that researchers use when conducting research. The sequence of the research process is based on a five-step
procedure, which is as follows:
A. Design the study; collect the data; identify the problem; analyse the data; and draw conclusions.
B. Identify the design of the study; clarify the problem; and collect and analyse the data.
C. Identify the problem; design the study; collect the data; analyse the data; and draw conclusions.
D. Identify the problem; collect the data; design the study; analyse the data; and draw conclusions.
Well done�
�
The typical order of the basic steps followed in a research process is discussed on page 5 of the study guide, Lesson 1
The correct answer is: Identify the problem; design the study; collect the data; analyse the data; and draw conclusions.
3 of 15 4/3/2023, 7:23
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