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Mean forward sway of younger people

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Reference no: EM132643041

Maintaining your balance may get harder as you grow older. A study was conducted to see how steady the elderly is on their feet. They had the subjects stand on a force platform and have them react to a noise. The force platform then measured how much they swayed forward and backward, and the data is in the table below. Do the data show that the elderly sway less than the mean forward sway of younger people, which is 27.125 mm? Test at the 1% level.

Table: Forward/backward Sway (in mm) of Elderly Subjects

19
30
20
19
29
25
21
24
50

Reference no: EM132643041

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