2 E 068 A study table below gives the bone strengths of the dominant and the non

Question

2 E 068 A study table below gives the bone strengths of the dominant and the nondominant arms for those 15 men. arm bone strength information for two groups of young men. The first group in the study was a control group of 15 men who are not baseball players. The ID Nondominant Dominant ID Nondominant Dominant 15.6 16.3 S 26.9 10 13.8 18.7 1 17.6 22.0 12 15.4 14.7 13 14.3 20.2 18.7 18.7 15.2 16.2 15.0 12.9 15.8 2 25.3 3 17.9 4 19.2 5 12.0 6 20.0 19.7 14 14.2 13.2 15 17.5 12.4 14.3 The least-squares regression line for these data is dominant 2.795+(0.932 x nondominant) bone strength of 19.0 crn4/1000 in his nondominant arm. Predict the bone strength in the dominant arm for this person. (Round your answer to one decimal place.) cm /1000

Explanation / Answer

The regression equation of the data is given by :

dominant = 2.795 + (0.932 x non dominant) ..........1

we are given a players bone strength of his non dominant arm

non dominant arm = 19 cm4/1000 ...........2

putting 2 in 1

dominant = 2.795 + (0.932 x 19) = 2.795 + 17. 708

= 20.503 cm4/1000  

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