Defects A consumer organization inspecting new cars found that many had appearance defects (dents, scratches, paint chips, etc.). While none had more than three of these defects, 7% had three, 11% two, and 21% one defect. Find the expected number of appearance defects in a new car and the standard deviation.

Stat 2000: Elementary Statistics Week One: Aug. 11th to 18th Defining Statistics Statistics consists of: ● Formulating a research question ● The collections of data ● Describing data ● Drawing conclusions or generalizations from data Statistics is the science of learning from data. The Statistical Method 3 main components to answering statistical questions: ● Design ○ How the data is obtained ○ Valid inferences cannot be made without a good design ● Description ○ Summarizing the data obtained ○ Helps to identify patterns in the data ● Inference ○ Making predictions or decisions