Final answer:
The question encompasses high school-level statistics and data analysis, involving experiments and analysis of the mean number of candy pieces, qualitative and quantitative data sets, and the study of fast food service times and nutritional content.
Step-by-step explanation:
The subject of the question is Mathematics, specifically focusing on statistics and data analysis. The grade level is High School, as the tasks involve concepts typically covered in high school statistics courses, such as conducting experiments with candy to test for the mean number of pieces per package, analyzing qualitative and quantitative data such as the colors of M&Ms and backpacks, and interpreting data displayed in tables and figures.
Statistical Analysis is used to understand the data collected, for example, in determining whether fast food service times influence customer satisfaction or whether different brands of candies have variable piece counts. Furthermore, the analysis of nutritional value in fast food meals and understanding qualitative and quantitative data sets are essential parts of high school level statistics.
One of the activity tasks involving candy surveys requires students to collect and compare data, which is an example of applying quantitative discrete data analysis. Examining the nutritional content of foods and the implications of fast food consumption on health pertains to analysis of quantitative continuous data, as well as qualitative analysis when considering the appeal and taste of food.