Recent research has demonstrated that music-based physical training for elderly people can improve balance, walking efficiency, and reduce the risk of falls (Trombetti et al., 2011). As part of the training participants walked in time to music and responded to changes in the music's rhythm during a 1-hour per week exercise program. After 6 months, participants in the training group increased their walking speed and their stride length compared to individuals in the control group. The following data are similar to the results obtained in the study. Exercise Group Stride Length Control Group Stride Length 24 26 25 23 22 20 24 23 26 20 17 16 21 21 22 17 22 18 19 23 24 16 23 20 23 25 28 19 25 17 23 16 Do the results indicate a significant difference in the stride length for the two groups? Use a two-tailed test with ?=.05 (By hand and with SPSS)
Recent research has demonstrated that music-based physical training for elderly people can improve balance, walking efficiency, and reduce the risk of falls (Trombetti et al., 2011). As part of the training participants walked in time to music and responded to changes in the music's rhythm during a 1-hour per week exercise program. After 6 months, participants in the training group increased their walking speed and their stride length compared to individuals in the control group. The following data are similar to the results obtained in the study.
|
Exercise Group Stride Length |
Control Group Stride Length |
|
24 |
26 |
|
25 |
23 |
|
22 |
20 |
|
24 |
23 |
|
26 |
20 |
|
17 |
16 |
|
21 |
21 |
|
22 |
17 |
|
22 |
18 |
|
19 |
23 |
|
24 |
16 |
|
23 |
20 |
|
23 |
25 |
|
28 |
19 |
|
25 |
17 |
|
23 |
16 |
Do the results indicate a significant difference in the stride length for the two groups? Use a two-tailed test with ?=.05 (By hand and with SPSS)
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