Descriptive statistics gives certain information about the data that helps us understand it better. For example, If you have a data set containing the number of customers that visit a shopping mall per day, the proportion of male customers or the average number of customers over period of time are some examples of descriptive statistics.
Inferential statistics uses sample data from a larger population to make certain inferences and draw conclusions about that population based on some standard procedures. Some examples of methods in inferential statistics are, Confidence intervals, Hypothesis Testing and Regression analysis
I’m not sure how technical it’s asking you to be, but 1. Alkali Metals 2. Alkaline earth metals 3. Transition metals 4. Post Transition metals 5. Metalloids 6. Reactive non metals 7. Reactive non metals again 8. Noble gasses 9. Lanthanoids 10. Actinoids
