Assignment 5

# Assignment 5 - p=0.857 and greater than 0.05 the null...

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en the total length and number of embryos. The observed correlation coefficient is significantly difference from zero. ween total body weight and spleen weight. The observed correlation coefficient is not significantly difference from zero. Roshni Sheth Assignment 5 1. r 0.737 s r 0.239 t 3.080 d.f. 8 p (2-tail) 0.015 t crit 2.306 r from CORREL function 0.737 2. r -0.054 s r 0.377 t -0.142 d.f. 7 p (2-tail) 0.891 t crit 2.365 r from CORREL function -0.0535 3. b= 10.224, a =1.251 Regression Equation: cells=1.251+10.224 x medium Regression Statistics Multiple R (r) 0.9908857 R Square (r 2 ) 0.981854 Adjusted R Square 0.977318174 Standard Error 11.82032343 Observations 6 ANOVA Coefficients Standard t Stat P-value Lower 95% Upper 95%

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Error Intercept (a) 1.251152 6.531191751 0.191565662 0.857413707 - 16.88234329 19.38464744 Medium (b) 10.22350 0.694912502 14.71192744 0.000124226 8.29411589 12.15288872 Since the p-value for the slope is p=1.24E-4 and less that 0.05, the null hypothesis (β=0) is rejected. The slope is significantly different from zero. Since the p-value for the y-intercept is
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Unformatted text preview: p=0.857 and greater than 0.05, the null hypothesis (α=0) is not rejected. The y-intercept is not significantly different from zero. 4. Regression Statistics Multiple R (r) 0.998689 R Square (r 2 ) 0.99738 Adjusted R Square 0.997179526 Standard Error 0.039478077 Observations 15 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept (a) -0.02907 0.023905163-1.2162773 0.24550267 1-0.08071927 0.0225686 56 Density (b) 0.50714 0.007207678 70.3612388 3.58932E-18 0.491569894 0.5227123 76 Regression Equation: Lcort= -0.029+0.507 x density Since the p-value for the slope is p=3.589E-18 and less that 0.05, the null hypothesis (β=0) is rejected. The slope is significantly different from zero. Since the p-value for the y-intercept is p=0.246 and greater than 0.05, the null hypothesis (α=0) is not rejected. The y-intercept is not significantly different from zero....
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## This note was uploaded on 06/28/2011 for the course BY 245 taught by Professor Dr.angus during the Spring '11 term at University of Alabama at Birmingham.

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Assignment 5 - p=0.857 and greater than 0.05 the null...

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