From Data Collection to Analysis Biostatistics in Practice Group: pubrica.com Email: sales@pubrica.com Biostatistics is the application of statistical methods to biological and health studies, playing a crucial role in experiment design, data collection, and analysis, guiding decisions in medical and public health fields. What are Biostatistics? Importance of Statistical Methods in Health +44 161 394 0786 +91 9884350006 sales@pubrica.com pubrica.com Copyright © 2025 pubrica Understanding Data Summary and Dispersion Descriptive Statistics Measures of Central Tendency These summarize data center: mean, median, mode. Measures of Dispersion These indicate data spread: range, variance, standard deviation. Range of Data It represents the difference between maximum and minimum values. Interquartile Range This measures the middle 50% of data distribution. +44 161 394 0786 +91 9884350006 sales@pubrica.com pubrica.com Copyright © 2025 pubrica Inferential statistics allow researchers to predict outcomes for entire populations based on sample data. This method is vital for making informed decisions in healthcare, policy-making, and scientific research. Inferential Statistics Making Predictions from Sample Data +44 161 394 0786 +91 9884350006 sales@pubrica.com pubrica.com Copyright © 2025 pubrica Understanding core principles of statistical testing Testing Hypotheses Null Hypothesis Assumes no effect or difference exists in data Alternative Hypothesis Indicates that an effect or difference does exist P-value Probability that observed data occurred by chance alone Confidence Interval Range within which the true effect likely lies +44 161 394 0786 +91 9884350006 sales@pubrica.com pubrica.com Copyright © 2025 pubrica Contact Us +44 161 394 0786 UNITED KINGDOM +91-9884350006 INDIA EMAIL sales@pubrica.com WEBSITE pubrica.com Copyright © 2025 pubrica