To compare the effect of hospital prenatal nutritional counseling on newborn birthweights, we conduct a matched-pair study of women who obtain prenatal care at a certain hospital, matching women who have been given the nutritional counseling with those who have not. Our null hypothesis is that there is no difference in birthweights. For each d, we subtract the birth-weight of the mother who did not receive counseling from the birth-weight of the matched mother who did receive counseling. We use a one-tailed test (with the right tail) and level of significance a =0.05. Suppose our study involves n = 50 matched pairs of women; and we find that the mean difference d (between birthweights for mothers who have received such counseling and those who have not) is given by d = 62 with standard deviation = 696. The degrees of freedom is The value of the test statistic TS = The critical value t,

To compare the effect of hospital prenatal nutritional counseling on newborn birthweights, we conduct a matched-pair study of women who obtain prenatal care at a certain hospital, matching women who have been given the nutritional counseling with those who have not. Our null hypothesis is that there is no difference in birthweights. For each d, we subtract the birth-weight of the mother who did not receive counseling from the birth-weight of the matched mother who did receive counseling. We use a one-tailed test (with the right tail) and level of significance a =0.05. Suppose our study involves n = 50 matched pairs of women; and we find that the mean difference d (between birthweights for mothers who have received such counseling and those who have not) is given by d = 62 with standard deviation = 696. The degrees of freedom is The value of the test statistic TS = The critical value t,

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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