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IOP2601 Assignment 2 Semester 2 2025 - DUE 25 August 2025 | ANSWERS

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Organisational Research Methodology - IOP2601 Assignment 2 Semester 2 2025 - DUE 25 August 2025; 100 % TRUSTED workings, Expert Solved, Explanations and Solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... 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.

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August 22, 2025
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IOP2601
ASSIGNMENT 2 SEMESTER 2 2025

UNIQUE NO.
DUE DATE: 25 AUGUST 2025

, Organisational Research Methodology

QUESTION 1

1.1 Technique applied to samples to make inferences about populations → Inferential
statistics.

1.2 Single-sample t-test definition is True

1.3 Equal intervals property statement → True

1.4 Rejecting a true null hypothesis → Type I error

1.5 Quantity that does not change → Constant

1.6 Properties of observations that can assume different values = Variables, Variable
that can assume any value = Continuous variable

1.7 Four variables and their relationships:

 Independent Variable (IV): Predictor variable, manipulated or cause.
 Dependent Variable (DV): Outcome variable, affected by IV. E.g.: Reliance on
AI tools (IV) → Cognitive learning outcome (DV).

1.8

 Mean: Arithmetic average, sensitive to extreme values.
 Median: Middle score, not influenced by outliers.
 Mode: Most frequently occurring value. → Similarity: All are measures of central
tendency. → Difference: Their sensitivity to skewed distributions differs.



QUESTION 2

Department 01 entries = 20 Department 02 entries = 25 Total entries = 150

2.1 Probability Dept 01 wins first prize = P = 20 ÷ 150 = 0.1333 (13.33%)

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