Quantitative noninvasive techniques are needed for routinelyassessing symptoms of

Chapter 9, Problem 21

(choose chapter or problem)

Quantitative noninvasive techniques are needed for routinelyassessing symptoms of peripheral neuropathies,such as carpal tunnel syndrome (CTS). The article AGap Detection Tactility Test for Sensory DeficitsAssociated with Carpal Tunnel Syndrome(Ergonomics, 1995: 25882601) reported on a test thatinvolved sensing a tiny gap in an otherwise smooth surfaceby probing with a finger; this functionally resemblesmany work-related tactile activities, such as detectingscratches or surface defects. When finger probing was notallowed, the sample average gap detection threshold form 5 8 normal subjects was 1.71 mm, and the samplestandard deviation was .53; for n 5 10 CTS subjects, thesample mean and sample standard deviation were 2.53and .87, respectively. Does this data suggest that the trueaverage gap detection threshold for CTS subjects exceedsthat for normal subjects? State and test the relevanthypotheses using a significance level of.01.