This biostatistics assignment provides solutions to various problems related to descriptive statistics, confidence intervals, and hypothesis testing. The assignment includes calculations and interpretations of mean, median, range, standard deviation, variance, standard error, and 95% confidence intervals for different variables. Additionally, it discusses the effects of a treatment program on sodium concentration in blood for participants with Everley's syndrome, using a paired t-test to analyze the data. The solutions are presented in a clear and concise manner, making it easier for students to understand and learn from the problems.