IOP2601 ASSIGNMENT 2 SEMESTER 2 2025 – FULLY ANSWERED (DUE 25 AUGUST 2025)

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IOP2601 Assignment 2 Semester 2 Memo | Due 25 August 2025. All questions fully answered. QUESTION 1 [13]
1.1 _____ is a technique applied to samples in order to make inferences about populations. (1)
1.2 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)
1.3 A scale possesses the property of equal intervals if the difference between all points on that scale is
uniform. Is this statement true or false? (1)
1.4 State the type of error that occurs when a researcher rejects a null hypothesis that is actually true. (1)
1.5 What is the team used when a quantity that does not change and always has the same value? (1)
1.6 Properties of observations that can assume different values are called_____, whereas a variable that
can assume any value is known as _____. (2)
1.7 Below are four variables, determine their relationships in terms of Independent or Dependent, and
justify. (3)
1.8 Examine the differences or similarities between the mean, median, and mode. (3)