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Tennis Service Improvement Among 12 - 14 Year Olds

Table 3:

Statistics Serve 1 Serve 1
Initial testing Final testing
Average 3.91 6.50
Difference 2.59
Amplitude 6.0 6.0
Cv (%) 2.20 2.20
Homogeneity High High
t - test 2.20
Statistical difference Statistically significant (p = 0.05)
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