Bland and Altman (1997) describe the mini-HAQ that measures impairment in patients with cervical myelopathy. There are 10 items relating to activities of daily living: stand, get out of bed, cut meat, hold cup, walk, climb stairs, wash, use toilet, open a jar and enter/leave a car. The standard deviations from 10 questions in 2549 subjects are respectively: 1.04, 1.11, 1.12, 1.06, 1.04, 1.04, 1.01, 1.09, 1.02 1.03. The 10 items were summed for each subject and the SD of the total score was 8.80. Calculate and comment on the value of aCronbach.