Hungry? Researchers investigated how the size of a bowl affects how much ice cream people tend to scoop when serving themselves.14 At an ice cream social, people were randomly given either a 17 oz or a 34 oz bowl (both large enough that they would not be filled to capacity). They were then invited to scoop as much ice cream as they liked. Did the bowl size change the selected portion size? Here are the summaries: Test an appropriate hypothesis and state your conclusions. Assume any assumptions and conditions that you cannot test are sufficiently satisfied to proceed.
STAT 30100 Elementary Statistical Methods th *Notes are based off lecture and 12 edition Statistics Textbook by James McClave and Terry Sincich Chapter 1: Statistics, Data, and Statistical Thinking What is Statistics A mathematical science, but not a branch of mathematics. Science of data o Deals with the study of: Collecting Classifying Summarizing Organizing Analyzing Interpreting, and Presenting data Can be descriptive or inferential o Descriptive Utilizes numerical and graphical methods to organize, summarize,