Answer to Question #272359 in Economics for abc

Question

The purpose of a study by Nozawa et al. (A-11) was to determine the

effectiveness of segmental wire fixation in athletes with spondylolysis.

Between 1993 and 2000, 20 athletes (6 women and 14 men) with lumbar

spondylolysis were treated surgically with the technique. The following

table gives the Japanese Orthopaedic Association (JOA) evaluation score

for lower back pain syndrome for men and women prior to the surgery.

The lower score indicates less pain.

Gender JOA Scores

Female 14,13,24,21,20,21

Male 21, 26, 24, 24, 22, 23, 18, 24, 13, 22, 25, 23, 21, 25

Answer 1

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