As part of the National Health and Nutrition Examination Survey, the Department of Health and Human Services obtained self-reported heights and measured heights for males aged 12—16. You may also assume that the samples are from normal populations. All measurements are in inches. Listed below are sample results.MaleReported Height (inches)Measured Height (inches)Difference (inches)166.164.91.2273.674-0.4373.973.90468.867.71.156564.60.4667.767.50.2769.9690.9869.367.91.4971.470.411068.466.91.5Sample mean69.4168.680.73Standard Deviation2.923.260.64Use 5% level of significance to decide whether there is sufficient evidence that the self-reported mean male height is different from the measured mean male height.Procedure: Assumptions: (select everything that applies)Population standard deviation are unknownIndependent samplesSimple random samplesNormal populationsSample sizes are both greater than 30Paired samplesPopulation standard deviation are unknown but assumed equalThe number of positive and negative responses are both greater than 10 for both samplesPopulation standard deviations are known

The data shows the self-reported heights and measured heights for males aged 12-16.

Answered: As part of the National Health and…

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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As part of the National Health and Nutrition Examination Survey, the Department of Health and Human Services obtained self-reported heights and measured heights for males aged 12—16. You may also assume that the samples are from normal populations. All measurements are in inches. Listed below are sample results.

Male	Reported Height (inches)	Measured Height (inches)	Difference (inches)
1	66.1	64.9	1.2
2	73.6	74	-0.4
3	73.9	73.9	0
4	68.8	67.7	1.1
5	65	64.6	0.4
6	67.7	67.5	0.2
7	69.9	69	0.9
8	69.3	67.9	1.4
9	71.4	70.4	1
10	68.4	66.9	1.5
Sample mean	69.41	68.68	0.73
Standard Deviation	2.92	3.26	0.64

Use 5% level of significance to decide whether there is sufficient evidence that the self-reported mean male height is different from the measured mean male height.

Procedure:

Assumptions: (select everything that applies)

Population standard deviation are unknown
Independent samples
Simple random samples
Normal populations
Sample sizes are both greater than 30
Paired samples
Population standard deviation are unknown but assumed equal
The number of positive and negative responses are both greater than 10 for both samples
Population standard deviations are known

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