MATH 144 GCU National Health Statistics Report No. 10 Paper

Anonymous
timer Asked: Mar 29th, 2019
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Question Description

According to the National Center for Health Statistics, the mean height of an American male is 69.3 inches and the mean height of an American female is 63.8 inches. The standard deviation for both genders is 2.7 inches.

  • According to Chebyshev’s Theorem 75% of the data for your gender lies between what two heights?
  • If height is assumed to be normal, what percentage of the data lies between those same two heights?

Look in the Guided Worksheets on page 49 for more information.

A Microsoft Excel spreadsheet is required for this DQ.

Attempt Start Date: 25-Mar-2019 at 12:00:00 AM

Due Date:

29-Mar-2019 at 11:59:59 PM

Hello,

You can find the guided worksheets by signing into MyMathLab. Then select guided worksheets on the left hand side. Page 49 of the guided worksheet is really PDF page 57. At the top of the page you will see Normal Distributions. I attached the guided worksheet for just this question if that is easier for you. If you like it you can find the rest of the guided worksheets in MyMathLab.

Here is a video to help you with the discussion question. You will find information for both parts of the discussion question.

https://mediaplayer.pearsoncmg.com/assets/gtq1e_3_...

Additional videos to help if needed

https://www.mathsisfun.com/data/standard-normal-di...

Here is a video explaining normal distribution.

6C The Normal Distribution http://media.pearsoncmg.com/pls/us/phoenix/1269607...


Attached FilesM3DQ2 Chebyschev's Theorem.pdf


ABLE 3.9 Height in Inches for U.S. Females 20 Years of Age and Older By Race and Ethnicity and Age, Mean, Standard Error of the Mean, and Selected Percentiles, 2003–2006
Race and Ethnicity and Age Number Examined Mean Standard Error Percentile
5th 10th 15th 25th 50th 75th 85th 90th 95th
All race and ethnicity groups Inches
20 years and over 4,857 63.8 0.06 59.3 60.3 61.0 62.1 63.8 65.6 66.6 67.2 68.2
20–29 years 1,061 64.3 0.12 59.9 60.9 61.6 62.5 64.2 66.1 66.9 67.5 68.0
30–39 years 842 64.3 0.13 60.0 60.8 61.5 62.5 64.2 66.0 67.1 67.7 68.6
40–49 years 784 64.2 0.12 59.9 60.6 61.4 62.4 64.2 66.0 66.9 67.7 68.5
50–59 years 604 63.9 0.13 59.3 60.4 61.2 62.2 63.8 65.7 66.4 67.1 67.9
60–69 years 691 63.7 0.13 59.8 60.5 61.1 62.1 63.7 65.3 66.1 66.9 67.5
70–79 years 463 62.7 0.13 58.6 69.4 60.1 61.0 62.6 64.4 65.2 65.9 66.7
80 years and over 412 61.4 0.15 57.5 58.3 58.8 59.7 61.3 62.9 63.9 64.7 65.4

Data from: National Health Statistics Report No. 10, October 2008, Anthropometric Reference Data, U.S. 2003–06

The average height of the 4,857 women 20 years and older in this sample was 63.8 inches. The height data for men is in the homework.



Tutor Answer

DoctorDickens
School: UC Berkeley

Attached.

Question1
Being that male mean height is equal to 69.3, the female mean height is equal to 63.8 and the standard deviation for b
75% data values for men will be:
The confidence interval for 75%= μ ± z (alpha/2) S.E
= 69.3 ± 1.15 × 2.7
= 69.3 ± 3.105
Confidence interval will be: 66.195 & 72.405
75% data value for female wi...

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Anonymous
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