Is There A Difference In 20 M Sprint Times Of Players In Athletes

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1. State the research question.

Is there a difference in 20 m sprint times of players with experience of less than 2 years, 2 to 4 years and 5 to 8 years when carrying a ball?

2. State the null and alternative hypotheses for these data.

H0A There will be no significant difference between the groups.
H1A There will be a significant difference in at least one or more of the groups.

H0B There will be no significant difference between the 20 m sprint times of the players who have experience of less than 2 years and 2 to 4 years’ experience.
H1B There will be a significant difference between the sprint times of the players with less than 2 years’ experience and 2 to 4 years’ experience.

H0C There will be no significant difference between the sprint times of the players with less than 2 years’ experience and 5 to 8 years’ experience.
H1C There will be a significant difference between the sprint times of the players with less than 2 years’ experience and 5to 8 years experience.

H0D There will be no significant difference between the sprint times of the players with 2 to 4 years’ experience and 5 to 8 years’ experience.
H1D There will be a significant difference between the sprint times of the players with 2 to 4 years’ experience and 5to 8 years’ experience.

3. Are these data parametric or nonparametric? State your methods and results.

The test for normality (see table 1), results show for less than 2 years’ experience (Kolmogorov-Smirvov P=.017 and Shapiro-Wilks P=.001) and 5 to 8 years’ experience (Kolmogorov-Smirvov P=.001 and Shapiro-Wilks P=.007 there is abnormal distribution however 2 to 4 years’ experience (Kolmogorov-Smirvov P=.200 and Shapiro- Wilks P=.995 suggests a normal distribution, it concludes that these data should be treated as non-parametric as they require testing with non-specific population details.

Table 1. Test for normality results.
Experience
Kolmogorov-Smirnov
Shapiro-Wilks

Less than 2 years
P=.017
P=.001
2 to 4 years
P=.200
P=.995
5 to 8 years
P=.001
P=.007

4. State which data analysis techniques have
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