BUAL 2600 Exam Questions and Answers 2024/2025

A restaurant leaves comment cards on all of its tables and encourages customers to participate in a brief survey to learn about their overall experience. Convenience Sampling A quality control worker at a factory selects the first 10 items she sees as her sample for the day. Convenience S...

A ________ is a measure of the chance that an uncertain event will occur. probability The ________ of two events X and Y is another event that consists of the sample space outcomes belonging to either event X or event Y or both events X and Y. union P(AUB) = P(A) + P(B) − P(A∩B) repres...

Data Facts and figures from which conclusions can be drawn Data set The data that are collected for a particular study Elements May be people, objects, events, or other entries Variable Any characteristic of an element Quantitative The possible measurements of the values of a variable ...

Data Facts and figures from which conclusions can be drawn Data Set The data that are collected for a particular study Variable any characteristic of an element Quantitative Variables The possible measurements of the values of a variable are numbers that represent quantities Ex: Age ...

Measures Central Tendency Mean, Median, Mode Measures of Variation STD Deviation & Variance; Range & IQR Measures of Position Quartiles, Percentiles, Z‐Scores Central Tendency A measure of central tendency represents the center or middle of the data Population Parameter a number ca...

A commercial shipping company operates a large fleet of trucks. The company needs to collect data on vehicle usage including acceleration, braking, and vehicle maintenance such as fluid levels. The datasourcing method needed to collect the data for this scenerio is sensor The dollar amount ...