3:41*和令. 24% DHomework No. 2Construct a grouped frequency distribution tableusing 6 classes/groups. Follow the steps carefully.Grades of 40 StudentS in Math86838181869179828187878382727378877090758082899889809676997188858290919472837485

Given86,83,81,81,86,91,79,82,81,87,87,83,82,72,73,78,87,70,90,75,80,82,89,98,89,80,96,76,99,71,88,85…

Answered: Construct a grouped frequency…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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For the grouped frequency table shown below which shows salaries at a company (expressed in thousands), find the midpoint for the second row in the table: Salary Interval Frequency 19-29 12 30-40 15 41-51 9
When 30 randomly selected customers left a convenience store, each was asked the number of items he or she purchased. Construct an ungrouped frequency distribution for the data. Create a histogram for the data in #7. Create a frequency polygon for the data in #7. 2 10 5 4 7 6 3 9 7 6 7 6 4 9 7 6 3 4 3 5 6 10 10 9 10 4 3 2 8 5
consider the following frequency table representing the distribution of the cost of a paperback book. determine the class width of each class.
435 507 448 435 463 440 448 413 432 458 473 465 428 472 439 a. Summarize the data on femur lengths in a frequency table. Use class intervals that start at 400 and have width 20. b. Add a column to your table from part (a) for the relative frequencies. c. Draw a histogram that represents your frequency table. (Use either frequency or relative frequency for the vertical axis.)
Ms. Garcia gave her students a biology test last week. Here are the test scores for each of the sixteen students. 83 79 78 82 77 81 Test scores 80 78 Send data to calculator Test scores 71.5 to 75.5 75.5 to 79.5 79.5 to 83.5 (a) Complete the grouped frequency distribution for the data. (Note that the class width is 4.) 83.5 to 87.5 87.5 to 91.5 86 X 90 85 74 84 74 73 89 Frequency S (b) Using the classes from part (a), draw the frequency polygon for the data. Note that you can add or remove classes from the figure. Label each class with its midpoint. Frequency 4+ 3+ 2+ L Test scores 0:00 00:0 X ? 10 A 8 Aa
The following data show the ages of recent award-winning male actors at the time when they won their award. Make a frequency table for the data, using bins of 20-29, 30-39, and so on. Click the icon to view the ages of male actors. Complete the table below. Age 20-29 30-39 40-49 50-59 60-69 70-79 No. of actors ☐☐☐☐☐☐ Data table 20 54 34 41 50 59 48 34 31 65 44 28 79 49 48 34 59 59 34 44 48 31 43 35 63 58 35 49 41 77 43 C 57 30 38 D - X
The following data show the ages of recent award-winning male actors at the time when they won their award. Make a frequency table for the data, using bins of 20-29, 30-39, and so on. Click the icon to view the ages of male actors. Complete the table below. Age No. of actors Data Table 20-29 30-39 40-49 36 53 23 67 53 56 48 39 49 52 50-59 37 49 50 46 31 42 65 57 73 33 60-69 53 41 31 49 41 35 39 46 48 34 70-79 35 63 42 37 Print Done
Finish times (to the nearest hour) for 59 dogsled teams are shown below. Draw a relative-frequency histogram. Use five classes. 261 274 236 244 280 296 284 296 288 288 250 256 338 360 341 333 261 267 287 296 313 311 307 307 299 303 277 283 304 305 286 290 286 287 297 299 332 330 309 326 307 326 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 302 319 The frequency table for the above data is given below. Class Limits Boundaries Midpoint Freq. Relative Freq. Cumulative Freq. 236 – 260 235.5 – 260.5 248 4 0.07 4 261 – 285 260.5 – 285.5 273 9 0.15 13 286 – 310 285.5 – 310.5 298 26 0.44 39 311 – 335 310.5 – 335.5 323 17 0.29 56 336 – 360 335.5 – 360.5 348 3 0.05 59
find the mean, median, and range of the set of numbers. Then, use Excel to create a frequency table and a histogram of the test scores. Make sure to label your tables and graphs appropriately A researcher is studying reaction times in mice. The reaction times in milliseconds (ms) for thirty mice are shown below. 66 384 539 578 166 741 874 384 221 178 176 675 275 15 845 397 271 655 681 702 63 823 364 194 755 744 557 776 69 857
Listed below are the ages (in years) of presidents at the time of their deaths. 67 90 83 85 73 80 78 79 68 71 53 65 74 64 77 56 66 63 70 49 57 71 67 71 58 60 72 67 57 60 90 63 88 78 46 64 81 93 Construct a frequency table. Use the class limits listed below. 45 - 49 50 – 54 55 – 59 60 – 64 65 – 69 70 – 74 75 – 79 80 – 84 85 – 89 90 – 94 95 – 99 Generate a histogram to represent the data.
Construct a frequency bar graph.
A data set is summarized in the frequency table below. The data set contains a total of 30 data values. What is the missing frequency? Value Frequency 1 5 2 3 3 4 4 6 5 □ 6 2 7 3 8 4

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Construct a grouped frequency distribution table using 6 classes/groups. Follow the steps carefully. Grades of 40 Students in Math 86 83 81 81 86 91 79 82 81 87 87 83 82 72 73 78 87 70 90 75 80 82 89 98 89 80 96 76 99 71 88 85 82 90 91 94 72 83 74 85