In a study by the Child Health and Development Studies, all pregnancies between 1960 and1967 among women in the Kaiser Foundation Health Plan in the San Francisco East Bay areawere reviewed. The collected information included:....●The weight of the infants in ounces (bwt)The length of pregnancy in days (gestation),The mother's age in years (age),The mother's height in inches (height),The mother's pregnancy weight in pounds (weight),Whether the child was the first born (first_pregnancy), andWhether the mother was a smoker (smoke).The following tables are generated by Rguroo's linear regression analysis performed on part ofthe data:Cases Used in the AnalysisData UsedNumber of cases readNumber of cases used in analysisNumber of incomplete cases(omitted)Term(Intercept)gestationageheightweightsmoke Yesfirst_pregnancy YesResidual StandardErrorRegression Coefficients EstimatesCoefficient StandardEstimateError-73.8870.43676-0.117610.934630.0543838.12944.0893No.R-Squared980941Model Summary: Coefficient of Determination (R-Squared)DF15.6 9340.249339t Value Pr> t15.887 -4.6506 3.79E-060.033101 13.195 1.41E-360.096423 -1.21970.222890.22606 4.13453.88E-050.027592 1.971 0.0490211.0534 7.717 3.05E-141.2613 3.2422 0.001228Adjusted R-Squared0.24447 18. Interpret the slope estimate for "gestation"? (Be sure to include units.)19. What is the estimated weight of the third baby for a 25 year old mother who delivers herbaby after 285 days of pregnancy, if she is a smoker, 63 inches tall, and weighs 140pounds before delivery? (Show all work.)

Answered: In a study by the Child Health and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The accompanying table shows the data from a researcher studying the reaction times of rats. He has a requirement that the maze take about 62 seconds to complete on average. A student resampled the reaction times 1000 times. The accompanying histogram shows the distribution of the means, and a summary of the quantiles is shown below it. Complete parts a through d below. Click here to view the data, Click here to view the results from resampling. a) Using the student's resampling, find a 99% bootstrap confidence interval for the true mean time it takes to complete the maze (in seconds). (Round to three decimal places as needed.) Resampling Results Rat Reaction Times Time (sec) 300- 41.5 65.4 250- 48.1 63.3 67.6 51.0 200- 44.5 44.6 150- 68.8 51.0 35.1 99.3 100- 53.6 51.2 50- 37.1 70.7 54.3 51.9 0- 40 45 55 60 65 70 50 Bootstrapped Means 66.1 62.6 63.9 99.95% 0.05% 48.737 0.1% 0.5% 1% 5% 50% 95% 99% 99.5% 99.9% 49.177 49.486 50.540 51.864 56.495 62.220 64.211 64.972 66.889 68.685 Print…
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