MAT 150 FINAL EXAM SCRIPT 2026 TESTED QUESTIONS AND ANSWERS 100% CORRECT STUDY GUIDE

MAT 150 FINAL EXAM SCRIPT 2026 TESTED
QUESTIONS AND ANSWERS 100% CORRECT
STUDY GUIDE

◉ Experimental Study. Answer: Researcher assigns treatments; can
show cause-and-effect


◉ Placebo. Answer: A fake treatment with no active effect


◉ Control Group. Answer: Group that does not receive the
experimental treatment


◉ Simple Random Sampling. Answer: Every individual has an equal
chance of being selected


◉ Systematic Sampling. Answer: Select every nth individual


◉ Stratified Sampling. Answer: Divide population into subgroups
and sample from each


◉ Cluster Sampling. Answer: Randomly select entire groups and
study everyone in them

, ◉ Bias. Answer: A systematic error that skews results


◉ Variable. Answer: A characteristic that can change or vary


◉ Qualitative (Categorical) Variable. Answer: Describes qualities or
categories


◉ Quantitative (Numerical) Variable. Answer: Describes numerical
values


◉ Discrete Variable. Answer: Countable values (students, cars)


◉ Continuous Variable. Answer: Measurable values (height, weight)


◉ Nominal Data. Answer: Categories with no order (blood type, eye
color)


◉ Ordinal Data. Answer: Ordered categories with no measurable
differences (rankings)


◉ Interval Data. Answer: Ordered with equal spacing, no true zero
(temperature)