| | | ANSWERS |
| 1) I could not create the chart for this one...If the sales were $80,000; The sales for October - December were_____% of yearly sales. | Note: Type an integer or decimal rounded to the nearest tenth. |
| 2) The family budget is illustrated in the figure to the right. What percent of take-home pay is sppent for education if education, savings, and miscellaneous funds are used for education? | Food $350 Housing $400 Insurance $80 Education $144 Personal $70 Miscellaneous $70 Clothing $170 Savings $170 Transportation $146 |
| 3) Weekly expenses of students taking a business mathematics class are shown in the table on the right. a) Find the mean. b) Find the median. c) Find the mode. NOTE: Round to the nearest whole number. | 89 48 78 152 70 86 93 80 54 75 86 99 88 90 86 96 101 96 79 94 56 78 81 83 109 77 |
| 4) In the table on the right there are grades that were earned by students on a midterm business math exam. What percent of students earned a grade below 80 is ___%. NOTE: Round to the nearest whole number. | 71 81 68 88 90 83 98 74 71 84 91 65 87 64 99 71 87 96 88 97 |
| 5) Find the standard deviation of a series of ACT scores listed. NOTE: Type an integer or decimal rounded to the nearest hundredth. | 28, 26, 16, 14, 21 |
| 6) The data shows the total number of employee medical leave days taken for on -the -job accidents in the first six months of the year: 18, 12, 21, 15, 24, 18. Find the sum of squares if the deivations from the mean. |
| 7) Use the hourly rates on the right (rounded to the nearest whole dollar) for 35 support employees in a private college to complete the frequency distribution and find the grouped mean. | $15 $18 $6 $9 $11 $12 $14 $11 $12 $17 $17 $25 $17 $28 $19 $16 $12 $10 $11 $12 $16 $26 $16 $16 $25 $16 $16 $13 $7 $15 $11 $11 $15 $15 $8 |
| Complete the class frequency table: |
| Class interval | Class frequency | Midpoint |
| 6 thru 10 | ___ | 8 |
| 11 thru 15 | ___ | 13 |
| 16 thru 20 | ___ | 18 |
| 21 thru 25 | ___ | 23 |
| 26 thru 30 | ___ | 28 |
| Total | ___ |
| 8) Accountants often use the median when studying for various businesses. What is the median of the following salay list: $32,084; $21,934; $27,512; $43,782; $38, 860; $25,997? |
sunshine1212
week_2q.xls
