Question

26. Maximal Strength and Sprint Performance The maximum weights (in kilograms) for which one repetition of a half squat can be performed and the times in seconds) to run a 10-meter sprint for 12 international soccer players (Adapted from British Journal of Sports Medicine) Maximum weight, r 175 180 1.80 1.77 155 2.05 210 1.42 150 190 2.04 1.61 Time, y Maximum weight, r 185 160 190 180 160 170 Time, y 1.70 1.91 1.60 1.63 1.98 1.90

Answer 1

we have given a = 0.01 Time (y) 1.72 12.05 42 2.04 Maximum weight (x) a 115 180 155 210 150 190 185 160 190 180 160 170 1.70 1.63 1.98 1 Ho go Vs Histo S = correlation coefficient... correlation colobicient (sample) ar Ę (xco - c ) ( Yo - } , 32 {cy 7/2 X = ý = Average of briaximum height Average of Time. By calculation - 0.975 Ics

for correlation Test Statistic coefficient 1 - 72 na re sample size correlation coefficient t = -0.975 12 -2 1- (-0.9752 t = - 13.76033 , df = n-2 o sing seededen bertsoa feble. u P-value = 7.9860927 E- P-value to ooo oooo 798 6027 .. Decision Rulel I ł p-value < x = 0.01 reject Hon then conclusion Reject p-value aoiol Null hypothesis. Lire I There is significant correlation de sentite between the data canner i