Basic Biostatistic by Nur Athira Dept of Psy.pptx

Introduction of some biostatistical terms especially in beginners, useful for research purpose

1. Basic Biostatistic 1.0 Dr. Nur ‘Athira binti Faisal Sabri 22/9/2023 Psychiatry Ward HDOK

2. Contents

3. 1. Types of Data & Measuring Data

4. TYPES OF DATA

5. Categorize these datas No. of patients Waiting time

6. Quantitative data can be converted into qualitative categorical data by using cut-off points For example, biological measurements or results from rating scales are often converted into disease/no-disease categories or cured/not cured categories.

7. Measuring Data determines the types of statistics that can be used to analyse the data.

8. 2. Data Distribution / Interpretation

9. After data are collected, the information needs to be organised and summarised. Patterns or trends might emerge and this can help determine which statistical analyses should be performed on the data. Depending on whether a variable is discrete or continuous, the probability distribution can be discrete or continuous. T hree common probability distributions to consider: Binomial (discrete) Poisson (discrete) Normal (continuous)

10. 1. Binomial distribution

11. 2. Poisson Distribution

12. 3. Normal Distribution x y

13. 3. Tabular & Graphical Presentation

14. Tabular Data

15. Graphical presentation

16. THANK YOU!