The IQ scores of 50 students are given below.981191191011109211710210599106110119114981101121038599107891101158910710110087941011111021029092919611011390116(a) Construct a grouped frequency distribution for the data. Use 85-89 for the first class and use the samewidth for each subsequent class.ClassFrequency85 - 89

Grouped frequency distribution is useful for organizing a large set of data.

Answered: 98 119 119 101 110 92 117 102 105 99…

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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Fill in the missing data. 2590 2440 1920 1870 1870 1420 1410 1390 1340 1200 1190 1170 1070 1020 919 900 889 856 793 777 752 723 680 661 649 Length Frequency 500-999 1000-1499 1500-1999 2000-2499 2500-2999
The frequency distribution to the right shows the various levels of demand for a particular laptop computer sold by a store during the last 50 business days. Determine the average number of laptops sold per day. Number of Laptops Frquency 0 251 52 63 114 15 2
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
A data set with whole numbers has a low value of 20 and a high value of 110. Find the class width for a frequency table with seven classes. Find the class limits for a frequency table with seven classes. Lower class limit - Upper class limit First class Second class Third class Fourth class Fifth class Sixth class Seventh class
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.
Find the range for this list of numbers 7 48 45 87 29 10 20 67 31 94 42 24 60 12 4
Here is a set of data. 78 111 135 261 299 398 444 496 662 733 769 818 836 868 Identify the 5 number summary (min, Q1, median, Q3, max) , , , ,
How to find the class width of a frequency table?
Here is a data set: 203 231 233 238 257 263 275 285 285 286 302 311 313 314 319 323 326 328 336 339 362 364 366 378 390 390 422 447 Construct a frequency distribution table for this data set. Number of classes: 10 Use a "nice" class width, such as a multiple of 5 or 10. Label classes using interval notation. For example, if the class is 70-79, label it as [70,79]. The lower class limit should be a multiple of the class width. For example, if the class width is 10, the lower class limit should be a number like 30 or 40 (depending on the data). Data range Frequency

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