HCM 213 Mind on Statistics Chapter 9

Of 10 students sampled from a class of 200, 8 (80%) said they would like the school library to have longer hours. A. Statistic B. Parameter KEY: A 2. 75% of all students at a school are in favor of more bicycle parking spaces on campus. A. Statistic B. Parameter KEY: B 3. Dyscalculia is a learning disability involving innate difficulty in learning or comprehending mathematics. It is akin to dyslexia and can include confusion about math symbols. Dyscalculia can also occur as the result of some types of brain injury. Dyscalculia occurs in people across the whole IQ range and affects roughly 5% of all Americans. A. Statistic B. Parameter KEY: B 4. A customs inspector sampled 5 boxes among 20 boxes being shipped from out of the country. He found that one of the five boxes (20%) contained an illegal food item. A. Statistic B. Parameter KEY: A