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Essay Undergraduate 370 words

Sample size effects on data distribution and mean calculation

~2 min read 1 section Mathematics
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Essay 370 words

Welcome module's SLP. For module, continue collect data days. Is larger sample changing ? Is increasing

The larger sample size is statistically significant in the sense that it helps to complete the projected bell jar curve. A bell curve shape is "an indication of a normal distribution in statistics" (Trochim, 2006). However, it is not changing the mean in any substantial way. The larger sample size simply provides more evidence to reinforce the effect of the bell curve of the data. Since the data reflects independent sampling, which is data that has no effect on one another (Easton & McColl, no date), the larger sample size does not significantly change the mean.

Minutes listening

In order to calculate the mean, I used the following equation:

Mean

X = 72+90+130+180+75+225+300+84+100+150+180+120+62+79+

75 Words Hidden
Mean = 1939 + 15 = 129.266 minutes These calculations reveal that the mean is slightly decreasing with the additional five days of data. The…
References
5 sources cited in this paper
  • Larry Kudlow (2000) The Weak-End of Polling, Retrieved November 12, 2008, from http://www.nationalreview.com/kudlow/kudlow071800.html ↗
  • Probability Sampling, Retrieved November 12, 2008, from http://www.socialresearchmethods.net/kb/sampprob.htm ↗
  • Statistical Sampling Terms, Retrieved November 12, 2008, from http://www.socialresearchmethods.net/kb/sampstat.htm ↗
  • Statistics Glossary, Retrieved November 12, 2008, from http://www.stats.gla.ac.uk/steps/glossary/sampling.html ↗
  • Dobson A., & Young A. & Gibberd B. (n.d.). SurfStat Australia. Retrieved November 12, 2008, from http://surfstat.anu.edu.au/surfstat-home/surfstat-main.html ↗
Key Concepts in This Paper
sample size mean calculation normal distribution bell curve statistical sampling data collection frequency distribution
Cite This Paper
PaperDue. (2013). Sample size effects on data distribution and mean calculation. PaperDue. https://www.paperdue.com/essay/welcome-module-slp-for-module-continue-77456

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