Month: April 2014

Problem 109 Consider the box-and-whisker graphs shown. They suggest that a U.S. Department of Agriculture study shows that “poultry dogs” have fewer calories per “dog” than either “beef dogs” Yet,…

Problem 108 Over 60% of the people who fly to Normal, Illinois, do so on American Airlines. Hence, most people prefer American to any other airline.   Solution This statement…

Problem 107 For a set of scores, will the interquartile range always be less then the range? Explain your answer with an example.   Solution Yes, the interquartile range will…

Problem 106 If  the oldest individual in an office is 57 and the range of employee ages is 29, what is the age of the youngest person in the office?…

Problem 105 Data on the highest and lower number of hits by three baseball teams within a specified period of time are described by the next set of box-and-whisker plots.…

Problem 104 In Exercises 9-12, calculate the range, variance, standard deviation, and interquartile range for the data set given. {72, 80, 80, 82, 88, 90, 96 }   Solution  …

Problem 103 Doug had scores of 80, 85, 75, and 80 on his first four exams in a course. 1. Find the mean, median, and mode for these exam scores.…

Problem 102 Calculate the Mean, median,  mode, and midrange for the data set given.  {6, 7, 8, 9, 10, 12, 15, 15, 20, 28}   Solution mean =   =…

Problem 101 For the data in the following table, select a type of display and describe the steps that you would take in developing it to show the relationship between…

Problem 100 The chart below is an example of a quality control chart. Samples of parts and products are drawn from an assembly line and checked against engineering specifications. Write…