4. Listed are recorded speeds (in mph) of randomly selected cars traveling on a particularsection of a highway. The existing speed limit on this section is 65 mph.70 73 63 685275 646358 676452586463676458655868 60 75685568707360587564585853596873 67 63a. Find the percentile for a speed of 59 mi/hb. Find Pssc. Find Ps5d. Traffic engineers often establish speed limits by using the “85ª percentile rule" which isthe speed limit is set so that 85% of drivers are below the speed limit and rounded to thenearest multiple of 5. What speed limit is suggested by this data? Explain.e. Does the existing speed limit conform to the 85th percentile rule? Explain.

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Answered: 4. Listed are recorded speeds (in mph)…

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 data give the speeds of 13 cars (in mph) measured by radar, travelling on 1-84. Calculate the value of the 35th percentile. Enter the exact answer. mph. 73 75 69 68 78 70 74 76 72 79 68 77 71
Following are the marks obtained by 49 students, calculate median the two quartiles and 86th percentile: 38 60 40 41 29 40 58 56 40 56 39 40 54 40 53 54 37 53 45 50 36 50 35 50 32 45 30 56 30 50 45 36 43 30 28 42 22 42 20 18 24 26 18 17 15 27 42 29 30
The following data represent the miles per gallon for a particular make and model car for six randomly selected vehicles. Compute themean, median, and mode miles per gallon.26.4, 30.2, 24.6, 25.2, 34.5, 36.3 Compute the mean miles per gallon. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A. The mean mileage per gallon is.(Round to two decimal places as needed.) B. The mean does not exist. Compute the median miles per gallon. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The median mileage per gallon is.(Round to two decimal places as needed.) B. The median does not exist.
please answer 4 and 5
Find the 25th, 50th, and 75th percentile from the following list of 25 observations. 9. 15 24 31 35 38 42 48 49 54 57 60 62 72 73 74 76 78 80 89 92 93 94 99 25th percentile = 50th percentile = 75th percentile %3D
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: 98 60 59 66 69 73 52 88 63 74 61 84 58 59 52 Female: 83 75 93 94 87 63 94 89 93 79 77 85 74 70 76 ----- Find the means. The mean for males is beats per minute and the mean for females is beats per minute. (Type integers or decimals rounded to one decimal place as needed.)
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: 90 53 58 83 62 54 59 70 61 73 57 67 53 96 69 Female: 91 85 93 85 81 88 88 87 94 72 67 86 80 79 77 Find the means. The mean for males is beats per minute and the mean for females is beats per minute. (Type integers or decimals rounded to one decimal place as needed.)
The Department of Motor Vehicles office tried a new customer service system after people complained they were wasting too much time waiting in line. Use the two relative frequency histograms to answer the following questions. Waiting Times at the DMV (OLD SYSTEM) Waiting Times at the DMV (NEW SYSTEM) 50- 50 40 40- 30 30 20 10 0 0 5 10 15 20 25 30 0 5 10 20 25 30 Time Waited OLD (in minutes) 15 Time Waited (in minutes) Comparing the median and the mean for the new system we see that The mean is smaller than the median. The mean is larger than the median. The mean is almost exactly the same as the median. Percent 20 10 0 Percent
Use the following data to answer the following questions. You can use excel or any app. as calculator.46 93 5630 39 4524 48 4560 55 4547 62 7063 72 6145 72 6574 48 6373 55 4872 55 44 1. The mean value is __________. a. 55.8833 b. 55.5500 c. 45 d. 55.8333 2. The median value is __________. a. 55.8833 b. 55.5 c. 55 d. 45 3. The mode is __________. a. 55.8833 b. 45 c. 55 d. 55.8333 4. The range is __________. a. 67 b. 68 c. 69 d. 70 5. The first quartile is __________. a. 43 b. 44 c. 40 d. 45
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. D there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 82 53 91 88 72 68 85 87 90 91 88 70 92 77 63 94 82 86 64 Find the means. The mean for males is 71.9 beats per minute and the mean for females is 80.6 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Find the medians. The median for males is 71 beats per minute and the median for females is 85 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Compare the results. Choose the correct answer below. OA. The mean and median appear to be roughly the same for both genders. OB. The mean and the median for males are both lower than the mean and the median for females. OC. The mean and the median for females are both lower than the mean and the median for males.…
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 72 68 85 87 90 91 88 70 92 77 63 82 53 91 88 94 82 86 64 Find the means. The mean for males is ☐ beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.
The following data give the number of keyboards assembled at the Twentieth Century Electronics Company for a sample of 25 days. Calculate the following: 1st Decile, 28th Percentile, 7th Decile, and 85th Percentile.

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