2. Following figures relate to the weekly wages of workers in a faciory.Wages (in 00100100101102106868287109758999969410493929086798483878878897576768081899910479100103104107110106102107103!01101101869396979994100102103107!07109949397!089899700978886848382808486889193959595979810010510677!038584788093969798989887Prepare a frequency table by taking a class interval of 5.

It is given that the total number of observations (n)=100. Class interval 5.

Answered: 2. Following figures relate to the…

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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(1)Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lenght (mm) Frequency 80 - 99 1 100 - 119 16 120 - 139 71 140 - 159 108 160 - 179 83 180 - 199 18 200 - 219 3 What is the upper class limit for the seventh class?upper class limit =
Please answer the last 2 questions on the screenshot. Is the actual value above, below or on the line? What is the interpretation of the residual?
The table reports the number of weekly death according to age groups and their total for the past ten weeks. The information is retrieved from: https://covidnow.mohgov.my/cases Count of Weekly Death According to Age Groups Time Weekly Death 17 & below 60 & above 18-59 10 weeks ago 72162 10 247 516 9 weeks ago 8 weeks ago 57788 6 160 442 47017 133 382 7 weeks ago 6 weeks ago 5 weeks ago 4 weeks ago 3 weeks ago 2 weeks ago 1 week ago 39522 3 108 329 38265 1 87 291 34163 79 287 39831 2 74 233 39613 78 235 35121 83 209 34661 2 76 197 QUESTIONS: a. Use a scatter diagram and describe the trend in the TOTAL weekly death due to Covid- 19 for the past ten weeks, focusing on the overall ten weeks and the most recent month. b. Based on the reported number of cases within the most recent month (most recent four weeks), forecast the TOTAL death for next week using an appropriate technique for this data set. Explain why you use this technique to predict the total death for next week? Choose between…
3. Listed below are the speeds from 30 random speeding tickets in Denver over the last week. Create a frequency/relative frequency distribution. 48 92 50 29 40 129 43 108 39 42 57 42 104 83 45 81 45 123 38 48 45 67 32 65 42 46 80 46 100 98
A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level of significance, test the claim that the training helps to improve the athletes’ times for the 800 meters. What is the decision for this test? A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level of…
39. The following table gives the approximate increase in sea level in inches over 20 years starting in the given year. Estimate the net change in mean sea level from 1870 to 2010. Starting Year 1870 1890 1910 1930 1950 1970 1990 20-Year Change 0.3 1.5 0.2 2.8 0.7 1.5 4 Table 5.3 Approximate 20-Year Sea Level Increases, 1870-1990 Source: http://link.springer.com/article/ 10.1007%2Fs10712-011-9119-1
Create a frequency table for these data, beginning with a lower class limit of 20 and a class width/class size of 7. And Calculate the class marks, class boundaries, relative frequency, CF, and >CF.
A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level of significance, test the claim that the training helps to improve the athletes’ times for the 800 meters. What is the p-value for this test? A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level of…
3-2. Following figures relate to the weekly wages of workers in a factory. Wages (in '00 Rs.) 100 100 101 102 106 86 82 87 109 89 99 104 75 79 96 94 93 92 90 86 84 83 87 88 89 75 76 76 78 81 89 99 80 110 93 109 104 100 103 104 107 106 102 107 103 101 101 101 110 86 96 97 99 100 102 103 107 107 94 93 97 80 98 84 100 99 100 97 88 83 95 84 82 86 88 91 93 95 97 98 105 106 103 85 98 77 78 80 93 96 97 98 98 Prepare a frequency table by taking a class interval of 5. 77 7.
Rate 528 715 366 391 815 527 441 976 588 278 559 686 604 498 947 1026 515 474 728 796 493 526 919 1122 304 519 559 453 438 236 176 454 661 361 226 478 381 698 351 157 347 428 554 332 610 279 237 796 365 998 618 523 491 380 804 758 1153 674 731 553 422 552 645 506 480 843 683 682 581 601 493 372 613 836 390 1053 816 936 152 444 695 597 430 920 607 996 452 506 376 282
A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level of significance, test the claim that the training helps to improve the athletes’ times for the 800 meters. What is the test statistic for this test? A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. Athlete A B C D E F G H Time before training (secs) 112.1 108 108 117.2 116.8 118.4 118.1 112.1 Time after training (secs) 112.7 107.6 105.6 118 116.5 118.5 114.5 108.2 Using a 0.10 level…
Suppose the following table gives the extra travel time each year, in hours, for peak-period travelers in urban areas with more than 3 million people. Annual Hours of Delay per Traveler Urban Area Los Angeles-Long Beach-Santa Ana, Ca San Francisco-Oakland, CA Atlanta, GA Washington (D.C.-VA-MD) Dallas-Fort Worth-Arlington, TX Houston, TX 67 50 61 66 53 57 Find the mean of the extra travel time each year, in hours, for peak-period travelers in urban areas with more than 3 million people. (Round your answer to two decimal places.) hr What is the standard deviation for these data? (Round your answer to two decimal places.) hr

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