A Wilcoxon Rank Sum Test for Comparing Two Populations Involves

question 159

True/False

A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20. If the value of un-standardized test statistic is T = 225, then the value of the standardized test statistic is z = -1.50.

---

Definitions:

Automatic Transmission

A type of transmission in vehicles that automatically changes gear ratios as the vehicle moves, allowing the driver to focus on steering and acceleration without manual gear shifting.

4WD Vehicles

Vehicles equipped with a four-wheel-drive system that can provide power to all four wheels simultaneously, offering better traction in off-road or adverse conditions.

Transaxle

A single mechanical device that combines the functions of an automobile's transmission, axle, and differential into one integrated unit, commonly found in front-wheel-drive vehicles.

Front-Wheel Drive

A vehicle configuration where the engine's power is transmitted to the front wheels, providing propulsion.