2. SWIMMER'S FLEXIBILITY STUDY Swimming requires complete body movement as defined in sports science. A swimmer's flexibility helps in his/her movement in water, thus making him/her a faster swimmer. In a study conducted to determine if there is an improvement in swim speed after doing flexibility exercise, 15 swimmers of the same characteristics were randomly selected. They were asked to do a 25-m freestyle and their swim speed (in seconds) were recorded. After this, a flexibility exercise was done. All the swimmers were then asked to do another 25- m freestyle and their swim speed (in seconds) were also recorded.". (Use before - after in your computations) Swimmer 2 4 6 8. Before 16.87 19.42 20.04 22.82 24.24 17.76 23.91 17.17 After 15.82 18.47 20.43 21.76 23.88 18.12 20.96 16.03 Swimmer 9 10 | 11 12 13 14 15 Before 17.45 15.53 22.15 18.26 16.65 20.51 18.46 After 18.48 15.41 20.91 19.18 14.45 18.86 19.89 Ho: (in symbols)_ before doing flexibility exercise is swimmers after doing flexibility exercise. (in words) The average swim speed of swimmers the average swim speed of Ha: (in symbols) before doing flexibility exercise is swimmers after doing flexibility exercise. - (in words) The average swim speed of swimmers the average swim speed of Test Procedure: Justify your choice of test procedure: p-value: Conclusion: At alpha = 0.05, %3!
2. SWIMMER'S FLEXIBILITY STUDY Swimming requires complete body movement as defined in sports science. A swimmer's flexibility helps in his/her movement in water, thus making him/her a faster swimmer. In a study conducted to determine if there is an improvement in swim speed after doing flexibility exercise, 15 swimmers of the same characteristics were randomly selected. They were asked to do a 25-m freestyle and their swim speed (in seconds) were recorded. After this, a flexibility exercise was done. All the swimmers were then asked to do another 25- m freestyle and their swim speed (in seconds) were also recorded.". (Use before - after in your computations) Swimmer 2 4 6 8. Before 16.87 19.42 20.04 22.82 24.24 17.76 23.91 17.17 After 15.82 18.47 20.43 21.76 23.88 18.12 20.96 16.03 Swimmer 9 10 | 11 12 13 14 15 Before 17.45 15.53 22.15 18.26 16.65 20.51 18.46 After 18.48 15.41 20.91 19.18 14.45 18.86 19.89 Ho: (in symbols)_ before doing flexibility exercise is swimmers after doing flexibility exercise. (in words) The average swim speed of swimmers the average swim speed of Ha: (in symbols) before doing flexibility exercise is swimmers after doing flexibility exercise. - (in words) The average swim speed of swimmers the average swim speed of Test Procedure: Justify your choice of test procedure: p-value: Conclusion: At alpha = 0.05, %3!
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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