8. Bins. I saw two frequency tables of airline passenger weights, one using bins that spanned...
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8. Bins. I saw two frequency tables of airline passenger weights, one using bins that spanned 10-pound ranges (e.g. 101 to 110 nounds) and the second with bins that spanned 20-pound 109 of 449 I to 120 pounds). The first table had twice as many categories as the second. Concepts and Applications Pulse Rates of Females. In Exercises 9-12, refer to the follow- ing frequency table of pulse rates of a sample of females. Pulse rate (beats per minute) 50-59 60-69 70-79 80-89 90-99 100-109 Frequency 17 33 41 37 13 4 9. How many females are represented in the frequency table? How many categories are in the frequency table? 10. List the relative frequencies that correspond to the given frequencies 11. List the cumulative frequencies that correspond to the given frequencies. 12. What are the lowest and highest possible pulse rates that could be included in the frequency table? 13. Birth Days, Births at a hospital in New York State occurred on the different days of the week (in the order Monday through Sunday) with these frequencies: 52, 66, 72, 57, 57, 43, 53. Construct a frequency table with a column for relative fre- quencies given as percentages. Do the data seem reasonable? 14. Clinical Trial. As part of a clinical trial, the drug tofacitinib citrate was administered in 5-mg doses to 1336 subjects as a as a theumatoid arthritis treatment. Here are the numbers of adverse reactions: 57 subjects had headaches, 21 had hypertension, 60 had upper respiratory tract infections, 51 had nasopharyngitis, and 53 had diarrhea. Construct a frequency table, and include a column for relative frequencies given as percentages. Which side effect was the most common? 15. Train Derailments. An analysis of 50 train derailment inci- dents identified the main causes listed below, where T denotes bad track. E denotes faulty equipment, H denotes human error. and O denotes other causes (based on data from the Federal Railroad Administration). Construct a frequency table, and include a column for relative frequencies expressed as per- centages. What was the most common cause of derailment? TTTEFHHHHHOOHHHEETTTETHOT
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Statistical Reasoning For Everyday Life
ISBN: 978-0134494043
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Authors: Jeff Bennett, William Briggs, Mario Triola
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