Started on Wednesday, 29 March 2023, 2:44 PM
State Finished
Completed on Wednesday, 29 March 2023, 3:23 PM
Time taken 39 mins 36 secs
Grade 24.00 out of 30.00 (80%)
Question 1
Incorrect
Mark 0.00 out of 1.00
Measures of variability help us understand where the midpoint of a group of scores is. Is this statement true or false?
A. True.
B. False.
Measures of variability help us understand how widely dispersed the numbers in a dataset are. Go through Lesson 3 in the prescribed book
by Tredoux and Durrheim (2019). Also refer to page 52 of the study guide, Lesson 6.
Measures of variability help us understand how widely dispersed the numbers in a dataset are. Go through Lesson 3 in the prescribed book
by Tredoux and Durrheim (2019). Also refer to page 52 of the study guide, Lesson 6.
The correct answer is: False.
Question 2
Correct
Mark 1.00 out of 1.00
The X-axis is placed at the left (vertical line) of the graph. Is this statement true or false?
A. True.
B. False.
Well done
Refer to tutorial 24 of Tredoux and Durrheim (2019), and Lesson 3
Unimodal distributions have two modes, while bimodal distributions have only one mode. Is this statement true or false?
Dashboard / My courses / IOP2601-23-S1 / Welcome Message / Assessment 1
A. True.
B. False.
Well done
Unimodal distributions have only one mode, while bimodal distributions have two modes.Go through Tutorial 3 of Tredoux and Durrheim
(2019). Also refer to your study guide, Lesson 5, page 50.
The correct answer is: False.
Question 6
Correct
Mark 1.00 out of 1.00
______ variables indicate that there is a difference between categories of objects, persons, or characteristics.
A. Ordinal
B. Interval
C. Nominal
D. Ratio
Well done
This is explained in Tutorial 1 of the textbook.
The correct answer is: Nominal
With research knowledge you will be able to ________.
Dashboard / My courses / IOP2601-23-S1 / Welcome Message / Assessment 1
A. solve problems
B. answer questions in a meaningful way
C. positively influence your organisation’s bottom line
D. a, b, and c
Well done
This is explained on page 5 of the study guide, Lesson 1
The correct answer is:
a, b, and c
Question 8
Correct
Mark 1.00 out of 1.00
A range is that score above and below which 50% of the scores in a sample fall. Is this statement true or false?
A. True.
B. False.
well done
See page 54 of the study guide, Lesson 6.
The correct answer is: False.
Question 9
Incorrect
Mark 0.00 out of 1.00
_____ is the difference between the highest and lowest score in a dataset.
A. Range
B. Standard deviation.
C. Mode.
D. Variance
Go through Lesson 3 in the prescribed book by Tredoux and Durrheim (2019). Also refer to page 54 of the study guide, Lesson 6.
Go through Lesson 3 in the prescribed book by Tredoux and Durrheim (2019). Also refer to page 54 of the study guide, Lesson 6.
The correct answer is: Range
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExpertAcademy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.84. You're not tied to anything after your purchase.