MAT142 Quiz 4A - Chapter 5C and 6

Quiz Chapter 5C and Chapter 6 Name___________________________________ Use the indicated bin size to construct a frequency table for the set of data. Include columns for relative frequency and cumulative frequency. Use 5 - point bins ( 45 - 49, 50 - 54, etc) 1) The ages of 25 patients who suffered strokes are as follows. 69 72 46 81 45 50 57 61 48 56 77 58 74 73 80 47 53 60 58 46 61 66 55 79 84 Use the indicated bin size to construct a frequency table for the set of data. Include columns for relative frequency and cumulative frequency. Use 50 - point bins (0 - 49, 50 - 99, etc) 2) The weekly incomes (in dollars) of 20 college students are shown below. 120 180 240 330 165 178 215 268 0 305 90 144 336 116 0 74 136 85 165 62 Find the mean for the given sample data. Where necessary, round your answer to one more decimal place than that used for the observations. 3) Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age. 50 65 64 54 63 58 60 50 52 3) 1

Find the median for the given sample data. 4) A store manager kept track of the number of newspapers sold each week over a seven - week period. The results are shown below. 72, 10, 201, 133, 284, 231, 230 4) Find the range for the given data. 5) Jeanne is currently taking college economics. On the past five quizzes, Jeanne got the following scores. 7 18 3 14 12 5) Obtain the five - number summary for the given data. 6) The weekly salaries (in dollars) of sixteen government workers are listed below. 690 602 813 653 728 588 493 623 519 659 685 454 566 787 503 826 6) 7) The National Education Association collects data on the number of years of teaching experience of high - school teachers. A sample taken this year of 19 high - school teachers yielded the following data on number of years of teaching experience. 33 13 1 21 31 8 3 12 2 23 25 1 33 28 6 18 24 22 31 7) 2