Statistics & Research part1

Health Statistics
?deals with applications of statistics to the health sciences, including epidemiology, public health, forensic medicine, and clinical research.
?Medical Statistics has been a recognized branch of statistics in the UK for more than 40 years but the term does not appear to have come into general use in North America, where the wider term biostatistics is more commonly used.
1. Homogeneity and Variation
2014.3.3
6
•Homogeneity: All individuals have similar values or belong to same category.
Example: all individuals are Iraqi , women, middle age (30~40 years old), work in a computer factory ---- homogeneity in nationality, gender, age and occupation.
•Variation: the differences in features, levels of educations, body weights ,voice…
1. Homogeneity and Variation
2014.3.3
6
•Homogeneity: All individuals have similar values or belong to same category.
Example: all individuals are Iraqi , women, middle age (30~40 years old), work in a computer factory ---- homogeneity in nationality, gender, age and occupation.
•Variation: the differences in features, levels of educations, body weights ,voice…