An instructor has obtained the set of N= 25 exam scores shown here from a 75-pointSocial Psychology exam. To help organize these scores, we will place them in afrequency distribution table. The scores are:755645211127395865697174336449545156711870524418271. Create a frequency distribution table:2. Create a grouped frequency distribution table and identify the following:Range:Width:Number of Class intervals:Highest class interval:Lowest class interval:

The objective is to create frequency distribution table and find range ,class width,upper and lower…

Answered: An instructor has obtained the set of…

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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Consider the ages of 18 employees in a fast-food chain: 46 37 45 52 56 26 25 47 55 29 40 31 50 33 42 59 37 49 a. Use the stem – and – leaf to display the given data.b. Construct the frequency distribution table.
The following data represents the age of 30 lottery winners.
Create a stem and leaf diagram and a frequency histogram for the following situations. 1. The following data list represents the heights of 30 randomly selected adults. 63 73 58 56 64 68 72 63 67 59 62 68 70 67 71 64 62 64 75 64 67 60 63 62 71 68 7780 72 225 63 3365 9859 77222 88589
The marks obtained by the students of engineering mathematics for their test are as follows. Construct a frequency table to present the data. 30 67 62 54 87 55 46 59 40 52 53 69 50 75 54 51 62 48 32 25 44 49 61 45 66 74 38 64 41 71 50 84 63 82 56 34 47 80 28 42 40 67 58 74 68 56 71
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
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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.
Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary.complete a-f a. Identify the lower class limits. b. Identify the upper class limits. c. Identify the class width. d. Identify the class midpoints. e. Identify the class boundaries. f. Identify the number of individuals included in the summary.
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The following data represent the score of 72 students in an exam. Construct the frequency distribution table and then :answer the question 55 65 40 60 73 56 82 48 69 35 45 84 59 42 23 65 89 79 65 82 37 87 61 55 72 50 22 78 66 51 25 86 77 33 92 84 43 21 62 90 48 66 91 67 38 70 53 77 33 83 57 25 78 52 49 39 80 64 27 90 66 34 92 68 76 47 73 60 42 91 50 60 6. The mode of the data according to frequency distribution table is: 7. The mean deviation of the data according to frequency distribution table is: 8. The standard deviation of the data according to frequency distribution table is: 9. The Coefficient of Variance (C.V) of the data according to frequency distribution table is: Does the above data take the bell shape?
The following are the grades received on an paper by 25 students. 97 97 98 40 45 77 65 65 65 68 81 93 68 71 87 85 88 76 79 78 87 81 81 83 89 a) Fill in the frequency table below using the data given. Use 10-point bins. Note: You may have rows left over. Grade Frequency Relative Frequency Cumulative Frequency Total: b) Draw a histogram based on the frequency table in part a . Don’t forget to label properly the axes, and put a title.

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