As a group, the Dutch are among the tallest people in the world. The average Dutch man is 184 cm talljust over 6 feet (and the average Dutch woman is 170.8 cm talljust over 57). If a Normal model is appropriate and the standard deviation for men is about 8 cm, what percentage of all Dutch men will be over 2 meters (66) tall?
Introduction What is statistics about •Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw a conclusion and answer questions. •In addition, statistics is about providing a measure of confidence in any conclusions. A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from the administrator of the exam, scores are normally distributed with μ=511. The teacher obtains a random sample of 36 students, puts them through the review class, and finds that mean of the math score of the 36 studen̅ 530 with s=115. Test the hypothesis at the α=0.05 level What is the population of the study (The target group of the study.) What is th