Statistical tools are techniques and methods used to analyze and interpret data in order to make informed decisions and draw meaningful conclusions. These tools are essential in research as they help researchers to identify patterns, trends, and relationships in data, as well as to test hypotheses and assess the significance of their findings. Some common statistical tools used in research include: 1. Descriptive statistics: These tools are used to summarize and describe the basic features of a dataset, such as mean, median, mode, standard deviation, and range. 2. Inferential statistics: This set of tools is used to make predictions and generalizations about a population based on a sample of data. It includes techniques like hypothesis testing, confidence intervals, and regression analysis. 3. Data visualization: Tools like histograms, scatter plots, and box plots are used to present data visually in order to explore patterns and relationships. 4. Correlation analysis: This tool is used to determine the strength and direction of the relationship between two or more variables. 5. ANOVA (analysis of variance): This statistical tool is used to compare means between two or more groups and determine if there are significant differences among them. Overall, statistical tools are essential for conducting rigorous research, as they help researchers to analyze data effectively and draw valid conclusions based on evidence.