- X How Related Are Neck Circumference And Thigh Circumference In Men The Data Below Are Measurements Of Neck And Thigh 1 (107.31 KiB) Viewed 19 times
- X How Related Are Neck Circumference And Thigh Circumference In Men The Data Below Are Measurements Of Neck And Thigh 2 (10.61 KiB) Viewed 19 times
X. How related are neck circumference and thigh circumference in men? The data below are measurements of neck and thigh circumferences in cm in 24 men. (30 pts.—7/3/3/3/5/7/2) Obs Thigh Neck Obs Thigh Neck Obs Thigh Neck Thigh Neck Obs 1 53.5 37.8 7 58.3 37.2 13 59 36.2 19 64.8 40.9 2 59.3 40.6 8 55.5 35.2 58.8 36.8 20 58.4 34.5 3 61.8 40.5 9 61 38 15 65.8 40 21 60.6 37.5 4 52.6 35.1 10 56 34.5 16 61 38 22 52.7 34.6 5 50.8 33.4 11 55 35.6 17 64 40.7 23 58.7 38.5 6 68.8 37.9 12 62.9 38.1 18 61.7 41.1 24 63.7 41.4 The following table provides Excel output for the regression of neck circumference on thigh circumference. SUMMARY OUTPUT Regression Statistics Multiple R 0.740718631 R Square 0.54866409 Adjusted R Square 0.528148821 Standard Error 1.67274294 Observations 24 ANOVA df SS MS F Significance F Regression 1 74.83206657 74.83206657 26.74418253 3.48156E-05 Residual 22 61.55751676 2.798068944 Total 23 136.3895833 Coefficients Standard Errort Stat P-value Lower 95% Upper 95% Intercept 14.1637666 4.558328381 3.107228224 0.005137542 4.710372138 23.61716106 x Variable 10.395991859 0.076572283 5.17147779 3.48156E-05 0.237190664 0.554793054 A scatterplot with regression line is below: 15 THIGH CIRCUMFE 45 RENCE (cm) 40 35 30 40 50 60 70 80 25 20
7) Does any aspect of the scatterplot make you feel that a line is not an appropriate model of these data?