Flashcards: Biostatistics for Biological Data Analysis — 10 cartões

Statistics — role?

Analyzes biological data and phenomena.

Statistics — definition?

Science of analyzing numerical data.

Variables — types?

Qualitative (nominal, ordinal), quantitative (discrete, continuous).

Biostatistics — focus?

Statistical methods for biological data.

Normal distribution — properties?

Symmetric, bell-shaped, 68-95-99.7 rule.

Population vs Sample — difference?

Population: entire set; Sample: subset.

Variables — types?

Qualitative (nominal, ordinal); Quantitative (discrete, continuous).

Normal distribution — rule?

68-95-99.7 rule describes data spread.

Correlation (r) — role?

Measures linear association, ranges -1 to +1.

Hypothesis testing — purpose?

Assess significance of data against null hypothesis.