Perform the test mentioned in Problem 8.62, and report a p-value?

Rheumatology

A study was conducted [12] comparing muscle function between patients with rheumatoid arthritis (RA) and osteoarthritis (OA). A 10-point scale was used to assess balance and coordination in which a high score indicates better coordination. The results were as shown in Table 8.20 for 36 RA patients and 30 OA patients.

Table 8.20: Comparison of balance scores for patients with RA vs. OA

 

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Mean balance sd score 3.0 36 30 3.4 RA 2.5 2.8 OA