significance level, do the data provides sufficient evidence to conclude that the mean calcium intake of all people with income levels below the poverty level is less than the RDA of 800 mg?
significance level, do the data provides sufficient evidence to conclude that the mean calcium intake of all people with income levels below the poverty level is less than the RDA of 800 mg?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Calcium is the most abundant mineral in the body and also one of the most important.
The recommended daily allowance (RDA) of calcium for adults is 800 milligrams (mg).
A random sample of 18 people with incomes below the poverty level gives the following
daily calcium intakes:
686, 433, 743, 647, 734, 641, 993, 620, 574, 634, 850, 858, 992, 775, 1113, 672, 879, 609
At the 1% significance level, do the data provides sufficient evidence to conclude that the
mean calcium intake of all people with income levels below the poverty level is less than
the RDA of 800 mg?
Step 1 :
Step 2:
3.Critical Value approach:
4.Conclusion:
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