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%)