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Biostatistics: Course Outline (419-IB)

Biostatistics is the application of statistical principles to questions and problems in medicine, public health or biology. One can imagine that it might be of interest to characterize a given population

Course Outline

1. Description of statistics 

Descriptive statistics 

  • What is statistics? importance of statistics
  • What is biostatistics? application of statistics in biological and pharmaceutical sciences
  • How samples are selected

2. Organizing and displaying data 

  • Vriables 
  • Quantitative and qualitative variables
  • Univariate data 
  • Bivariate data
  •  Random variables
  • Frequency table 
  • Diagrams
  • Pictograms
  • Simple bar charts
  • Multiple bar charts
  • Histograms

3. Summarizing data and variation 

  • The mean 
  • The median
  • The Mode 
  • The mean  deviation 
  • The variance and standard deviation
  • Coefficient of variation

4. Curve fitting

  • Fitting a straight line
  • Fitting of parabolic or high degree curve

5. Probability

  • Definitions
  • Probability rules
  • Probability distributions 

6. Simple regression and correlation

  • Introduction
  • Simple linear regression model
  • Correlation co-efficient

7. Test of hypothesis and significance

  • Statistical hypothesis
  • Level of significance 
  • Test of significance
  • Confidence intervals 
  • Test involving binomial and normal distributions

8. Student “T”, “F” and chi -square distributions

  • Test of significance based on ―t‖
  • ―F‖and chi-Square distributions

9. Analysis of variance

  • One-way classification
  • Two-way classification
  • Partitioning of sum of squares and degrees of freedom
  • Multiple compression tests such as LSD 
  • The analysis of variance models

10. Statistical package

  • An understanding of data analysis by using different statistical tests using various 

             Statistical  software’s like SPSS

  • Minitab
  • Statistica etc

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