This statistics assignment solution covers a range of statistical concepts, including probability mass functions, calculations of profit, and the application of standard deviations. The assignment delves into hypothesis testing using z-tests, paired samples t-tests, and ANOVA, providing detailed steps for formulating hypotheses, determining rejection regions, and interpreting p-values. It also includes an analysis of a least squares line and its application in predicting fish meal prices based on anchovy catch size, along with the evaluation of significance F. The assignment addresses various scenarios involving different datasets and research questions, demonstrating a comprehensive understanding of statistical methods and their practical applications. All of the questions are answered with detailed explanations and calculations.