to test if these results says that the average of daily calcium take from low income adults is below 800mL with a significancen level 05.0

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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if it's known that human body needs on
average 800 mL of calcium daily to keep
functioning well, some nutritionist believe
that people with low income cant reach
this average.
and to test that we chose a sample from 50
adults that live with low income, the average
of calcium they take daily was 755.3 mL and
the standard deviation was 239.3mL.
to test if these results says that the average
of daily calcium take from low income adults
is below 800mL with a significancen level 05.0
it's been found that the Z test result is? ??
Transcribed Image Text:if it's known that human body needs on average 800 mL of calcium daily to keep functioning well, some nutritionist believe that people with low income cant reach this average. and to test that we chose a sample from 50 adults that live with low income, the average of calcium they take daily was 755.3 mL and the standard deviation was 239.3mL. to test if these results says that the average of daily calcium take from low income adults is below 800mL with a significancen level 05.0 it's been found that the Z test result is? ??
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