# Descriptive statistics

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Daily Intake of Saturated Fats

Day Amount of saturated fats intake in grams

- 25

2. 22

- 28
- 32
- 30

use this data to do the following:

- Calculate the mean, median, mode, variance, and standard deviation of the measurements taken in Module 1 SLP. Show your work and be sure to express each value in units.
- Discuss which measure of central tendency you think most accurately describes the variable that you measured. Provide a thorough explanation.
- Describe the spread/distribution of your data. Be sure to describe the variance of distribution and the concept of standard deviation as a measure of dispersion in your response.
- Conduct a scholarly search on the internet to find reported health statistics on the variable that you are measuring. For example, if you are measuring your total daily caloric intake, American Dietetic Association. Identify the source.

Submit your (2-3 pages) paper by the end of this module.

APA FORMAT

**Required Reading and Resources
**

Australian Bureau of Statistics. (2013). Statistical language: Measures of central tendency. Retrieved from *http://www.abs.gov.au/websitedbs/a3121120.nsf/home…*

Cook, A., Netuveli, G., & Sheikh, A. (2004). Chapter 2: Description of a single variable. In *Basic skills in statistics: A guide for healthcare professionals* (pp.15-26). London, GBR: Class Publishing. eISBN: *9781859591291*.

McGraw Hill Education. (2016). Chapter 2: Describing data: Frequency distributions and graphic presentation. Retrieved from *http://highered.mcgraw-hill.com/sites/dl/free/0070…*

Norman, G. R., & Streiner, D. L. (2014). Section the first: The nature of data and statistics: Chapter 2: Looking at the data, Chapter 3: Describing data with numbers, Chapter 4: The normal distribution. In *Biostatistics: The bare essentials* [4th ed., e-Book]. Shelton, Connecticut: PMPH-USA, Ltd. eISBN-13: *978-1-60795-279-4*. Available in the Trident Online Library EBSCO eBook Collection.

Stattrek. (2016). What is normal distribution? Accessed from *http://stattrek.com/probability-distributions/norm…*

**Additional Readings and Resources (Optional)**

Khan Academy. (2012). Histograms. Retrieved from *http://www.khanacademy.org/math/algebra/ck12-algeb…*

Minnesota Department of Health. (n.d.). Histogram. Retrieved from *http://www.health.state.mn.us/divs/opi/qi/toolbox/…*

The Johns Hopkins University and John McGready. (2009). Describing data: Part I, Section D. Visually displaying continuous data: Histograms. Retrieved from *http://ocw.jhsph.edu/courses/introbiostats/PDFs/In…*

The Johns Hopkins University and John McGready. (2009). Describing data: Part II. Section A: The normal distribution. Retrieved from *http://ocw.jhsph.edu/courses/IntroBiostats/PDFs/In…*

The Johns Hopkins University and John McGready. (2009). Estimating confidence intervals for the mean of a population based on a single sample of size n: Some examples. Retrieved from *http://ocw.jhsph.edu/courses/IntroBiostats/PDFs/In…*

The Johns Hopkins University and John McGready. (2009). The theoretical sampling distribution of the sample mean and its estimate based on a single sample. Retrieved from *http://ocw.jhsph.edu/courses/IntroBiostats/PDFs/In…*

The Johns Hopkins University and John McGready. (2009). Continuous data: Numerical summary measures; sample estimates versus population measures. Retrieved from *http://ocw.jhsph.edu/courses/IntroBiostats/PDFs/In…*

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