A Study by a Bank Compared the Average Savings of Customers

question 102

Short Answer

A study by a bank compared the average savings of customers who were depositors for three years or less, with those who had been depositors for more than three years. The results of a sample are: What is the computed test statistic? Round to two decimal places.

---

Definitions:

Carpometacarpal

Joints located at the base of the carpal bones of the wrist and the metacarpal bones of the hand, allowing for the movement between the wrist and the base of the fingers.

Atlanto-occipital

Relating to the joint between the atlas (first cervical vertebra) and the occipital bone of the skull, allowing for nodding and head rotation movements.

Hyperextension

An excessive straightening movement of a limb or body part beyond its normal range of motion, often resulting in injury.

Extension

A movement that increases the angle between body parts, typically referring to a joint or limb.