.3. A researcher is interested in knowing if preterm infants with late metabolicacidosis and preterm infants without the condition differ with respect to urinelevels of a certain chemical. The mean levels, standard deviations, and samplesizes from the two samples are given below. Assuming that the populations haveequal variances:a. Fill in the missing pieces of the Stata output.ttesti 38 8.5 3.5 32 6.85 2.6XyTwo-sample t test with A variancescombineddiffObsHo: diff=03832SampleWith condition70diff mean(x)n38Without condition 32Ha: diff < 0Pr(Tt) = 0.9845Mean8.56.857.745714Cmean (y)mean8.56.85.567775BStd. Err. Std. Dev..3834311S3.52.63.52.63.208015Ha: diff != 0Pr(|T| > |t|) = F[95% Conf. Intervall7.3495795.91266.98079.1552544t =degrees of freedom =9.6504217.78748.5106383.144746Eb. What is the conclusion of your test?c. Use this output to construct a 99% confidence interval for the differencebetween the two means.68Ha: diff0Pr(Tt) = 0.0155

Given that: Sample n mean s With condition 38 8.5 3.5 Without condition 32 6.85 2.6

Answered: 3. A researcher is interested in…

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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