The following represent the student's grades of a statistics class:23607932577452708236807781954165928555765210647578258098816741718354647288627443607889768448849015793467178269746380856110 classes with the lowest starting at 10, set up a frequencyUsingdistribution with the following: midpoint, relative frequency, cumulativefrequency (left and right), upper and lower boundaries.

Class limits: These are the two endpoints of a class interval used for tally marking the given…

Answered: The following represent the student's…

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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The following frequency histogram gives the ages of 20 people in the statistics class including the teacher who is 50 years old. Use this histogram to answer the questions below. 8 7 6 4 3 2 1 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A graduating class reported starting salaries represented on the following frequency table. Number of students Starting Salary ($) 10 15,000 17 20,000 25 25,000 38 30,000 27 35,000 21 40,000 45,000 For the data in the table above, what is the MEAN?
2. Here are the scores on the first exam in an introductory statistics course for 30 students in one statistics course: 57 59 61 65 68 70 70 73 73 75 75 75 78 80 80 80 82 82 83 85 85 87 90 90 91 92 92 94 94 98 Use these data to make a stemplot. Use the stemplot to describe the distribution of the first-exam scores for this course.
The following data describes percentage of satisfied customers at Touchdown Sporting Goods. Complete the frequency table for this data. 86.9, 80.8, 91.1, 77.4, 85.6, 84.3, 86.6, 77.8, 88.6, 87.2, 87.3, 93.1, 95.8, 90.8, 84.9, 79.1, 86.1, 80.3 Determine the frequency of each class in the table shown. Answer Percentage of Satisfied Customers at Touchdown Sporting Goods Class 77.0-80.9 81.0-84.9 85.0-88.9 89.0-92.9 93.0-96.9 Frequency E
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
Michael is taking a self-paced math class. His scores for each of the 20 quizzes during the academicyear are shown below.Quiz scores: 80 71 88 85 7789 73 87 87 8685 75 72 84 8973 81 68 86 75a. Construct a frequency distribution for the grouped data using the following classes withwidth 6:66 to 71 72 to 77 78 to 83 84 to 89b. Calculate the relative frequency for each class.
A professor had students keep track of their social interactions for a week. The number of social interactions over the week is shown in the following grouped frequency distribution. Identify the lower limit of the tenth class Number of Social Interactions Frequency 45-49 9 50-54 13 55-59 17 60-64 20 65-69 18 70-74 10 75-79 3 80-84 8 85-89 0 90-94 2
Suppose that 50 students are enrolled in a statistics class and the following are the test scores received by them: 4+2+4 29 41 32 45 83 58 73 47 40 26 59 43 66 44 41 25 39 72 37 55 34 47 66 53 55 58 49 45 61 41 55 82 83 77 45 62 45 36 78 48 54 50 51 66 80 73 57 61 56 50 (i) Construct the frequency distribution table, calculate the relative frequency & percentage (ii) Construct the ogive for the above data. (iii) Find the mode for the above data.

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