A survey of potential injury severity ratings by percents for small, midsize, an

Question

A survey of potential injury severity ratings by percents for small, midsize, and large cars. returned the following data: a). Determine the Five-number summary for each and construct a box plot for the three categories of cars side on the same scale. b) Write a short report that may appear on a newspaper about the severity of injuries and your recommendations to people planning to buy cars. The average for test 1 for this class was 75 with standard deviation of 10. The minimum and maximum z-scores are known to be -3.0 and 2.5 respectively. What are the minimum and maximum scores? Ms. test to her three mathematics classes. The following table summarizes the scores. Determine the average score for all the classes. Johnson took four tests in his History class and averaged 82. An A is to be given to averaged 85 or above in five tests. What is the minimum score Johnson should get on test to score an A? Show your work. following table represents a relative frequency distribution for a sample of 40 value each of the following by clearly showing your work.

Explanation / Answer

b) The survey of potential injury severity ratings for small, midsize, and large cars have shown that small cars are more prone to serious injuries followed by midsize cars and large cars. It is recommended to the people planning to buy cars that if they are planning to buy a small car, they should wait and save more to buy either a midsize car or a large cars as it will reduce the risk of severe injuries. Same goes for a person planning to buy a midsize car, they should wait and save more to buy a large car.

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