Normality tests for statistical analysis in dentistry: A brief notes for researcher

Mohamad Shafiq Mohd Ibrahim

doi:10.31436/ijohs.v5i1.290

Authors

Mohamad Shafiq Mohd Ibrahim Department of Paediatric Dentistry and Dental Public Health, Kulliyyah of Dentistry, International Islamic University Malaysia (IIUM), 25200, Kuantan, Pahang, Malaysia.

DOI:

https://doi.org/10.31436/ijohs.v5i1.290

Keywords:

boxplots, histogram, mean and median, Kolmogorov-Smirnov test, kurtosis, Shapiro-Wilk test, skewness

References

Ahmad, W.M.A.W, Ibrahim, M.S.M, Halim, N.A., Mohamad, N.A.A. (2019). Statistical Analysis Using SPSS Version 24. Pulau Pinang: Penerbit Universiti Sains Malaysia.

Barton, B., Peat, J. (2014). Medical Statistics: A Guide to SPSS, Data Analysis and Clinical Appraisal. 2nd ed. Sydney: Wiley Blackwell, BMJ Books.

Bluman, A.G. (2018). Elementary Statistics, a Step-by-Step Approach. 10th ed. New York: McGraw-Hill.

Ghasemi, A., Zahediasl, S. (2012). Normality tests for statistical analysis: a guide for non-statisticians. International Journal of Endocrinology and Metabolism, 10(2), 486-489.

Kim, H.Y. (2013). Statistical notes for clinical researchers: assessing normal distribution (2) using skewness and kurtosis. Restorative Dentistry and Endodontics, 38(1), 52-54.

Mishra, P., Pandey, C.M., Singh, U., Gupta, A., Sahu, C., Keshri, A. (2019). Descriptive statistics and normality tests for statistical data. Annals of Cardiac Anaesthesia, 22(1), 67-72.

Orcan, F. (2020). Parametric or non-parametric: skewness to test normality for mean comparison. International Journal of Assessment Tools in Education, 7(2), 255-265.

Smeeton, N.C. (2016). Dental Statistics Made Easy. 3rd ed. New York: Chapman, and Hall Book/CRC, Taylor & Francis Group.