IOP2601 Assignment 2 2025 (Exceptionally Crafted) Semester 2 Due 25 August 2025

IOP2601
Assessment 2
Due 25 August 2025

, Student Name: IOP2601 Assignment 2


IOP2601 Assignment 2
Due: 25 August 2025


Question 1 [13 marks]

1.1

Question:
is a technique applied to samples in order to make inferences about populations. (1)
Answer: Inferential statistics. This method allows researchers to generalise findings
from a sample to a wider population.


1.2

Question: The single-sample t-test is used when you have a single set of scores and are
investigating whether the mean of this sample equals a known mean. (1)
Answer: True. This test compares a sample mean against a benchmark value.


1.3

Question: A scale possesses the property of equal intervals if the difference between all
points on that scale is uniform. True or False? (1)
Answer: True. Equal intervals ensure consistent measurement across values.


1.4

Question: State the type of error that occurs when a researcher rejects a null hypothesis
that is actually true. (1)
Answer: Type I Error, also known as a false positive.


1.5

Question: What is the term used when a quantity does not change and always has the
same value? (1)
Answer: Constant.


Page 1