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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

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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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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