Quantitative noninvasive techniques are needed for routinely assessing symptoms
ID: 3312354 • Letter: Q
Question
Quantitative noninvasive techniques are needed for routinely assessing symptoms of peripheral neuropathies, such as carpal tunnel syndrome (CTS). An article reported on a test that involved sensing a tiny gap In an otherwise smooth surface by probing wth a finger; this functionally resembles many work-related tactlle actlvitles, such as detecting scratches or surface defects. When finger probing was not allowed, the sample average gap detection threshold for m5 normal subjects was 1.92 mm, and the sample standard deviation was 0.51; for n 11 CTS subjects, the sample mean and sample standard deviation were 2.48 and 0.86, respectively. Does this data suggest that the true average gap detection threshold for CTS subjects exceeds that for normal subjects? State and test the relevant hypotheses using a significance level of 0.01. (Use p4 for normal subjects and 2 for CTS subjects.) Hai 1-H220 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to three decimal places.) t= -162 P-value = 2.681 State the conclusion in the problem context. Fail to reject Ho. The data suggests that the true average gap detection threshold for CTS subjects is the same as that for normal subjects. Reject Ho. The data suggests that the true average gap detection threshold for CTS subjects exceeds that for normal subjects. Fail to reject Ho. The data suggests that the true average gap detection threshold for CTS subjects exceeds that for normal subjects. Reject Ho. The data suggests that the true average gap detection threshold for CTS subjects is the same as that for normal subjects.Explanation / Answer
Using Excel,
P-value = 0.0571