Researchers compared protein intake among threegroups of postmenopausal women: (1) women eating astandard American diet (STD), (2) women eating a lactoovo-vegetarian diet (LAC), and (3) women eating a strictvegetarian diet (VEG). The mean ± 1 sd for protein intake(mg) is presented in Table 12.29. TABLE 12.29 Protein intake (mg) among threedietary groups of postmenopausalwomenGroupMeansdnSTD7510LAC571310VEG47176 *12.4 Suppose that in the general population, 70% of veg-etarians are lacto-ovo-vegetarians, whereas 30% are strictvegetarians. Perform a statistical procedure to test whetherthe contrast L = 0.7y2 +0.353 – V1 is significantly differentfrom 0. What does the contrast mean?

The test statistic is, t=LSE(L)Where SE(L)=(n1-1)S12+(n2-1)S22+(n3-1)S32N-k…

Answered: *12.4 Suppose that in the general…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Researchers compared protein intake among three
groups of postmenopausal women: (1) women eating a
standard American diet (STD), (2) women eating a lactoovo-vegetarian diet (LAC), and (3) women eating a strict
vegetarian diet (VEG). The mean ± 1 sd for protein intake
(mg) is presented in Table 12.29.

TABLE 12.29 Protein intake (mg) among three
dietary groups of postmenopausal
women
Group
Mean
sd
n
STD
75
10
LAC
57
13
10
VEG
47
17
6

*12.4 Suppose that in the general population, 70% of veg-
etarians are lacto-ovo-vegetarians, whereas 30% are strict
vegetarians. Perform a statistical procedure to test whether
the contrast L = 0.7y2 +0.353 – V1 is significantly different
from 0. What does the contrast mean?

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