Q1) The author surveyed students with this request: "Enter your height in inches." Recognize 2 major problems with this request.
Q2) What is wrong with This Picture? Newport Chronicle ran a survey by asking readers to call in their response to this question: "Do you support development of atomic weapons which could kill millions of innocent people?" It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.
Q3) Train Derailments: The analysis of 50 train derailment incidents recognized main causes given below, where T denotes bad track, E denoted faulty equipment, H denotes human error, and O denotes other causes (based on data from the Federal Railroad Administration). Create table summarizing frequency distribution of these causes of train derailments.
T T T E E H H H H H O O H H H E E T T T E T H O T
T T T T T T H T T H E E T T E E T T T H T T O O O