1.) Placement test scores. Use the following data, which represents the English placement test scores of a sample of 30students559 482 490 520 514498 472 490 523 491480 490 562 486 491498 543 506 539 576508 509 499 515 501532 512 510 577 533Use the data to construct a frequency distribution with a first a class of 472-487

Answered: 1.) Placement test scores. Use the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Use the following data, which represent the English placement test scores of a sample of 30 students, to construct a frequency distribution with a first class of 472 – 492. Placement Test Scores Number of Students 472 - 492 529 527 476 532 588 493 – 513 488 494 559 492 483 514 - 534 555 565 519 541 516 574 482 500 474 541 535 – 555 573 543 595 580 488 556 – 576 514 528 488 524 559 577 - 597
The amount of time (seconds) needed for assembly-line workers to complete welding was recorded for 38 workers. 10. 74 68 66 73 76 63 67 69 73 65 61 73 72 65 69 70 61 74 76 72 74 65 63 69 73 60 75 72 75 70 60 62 68 74 71 73 68 67 a) Construct a frequency distribution for these data using six classes.
The following data represent the weights (kg) of a sample of the 37 students in one of the colleges. What is required: Create the frequency distribution table for these data: 100 , 65 , 70, 83 , 94, 55, 46 , 47.8 , 62.3 , 77.2, 61.3, 62.9, 66.5 , 66.9 , 68.3 , 70 , 73.2, 73.8 , 82.4, 58.2, 59.9, 54.4, 58.7, 52.6, 51.8, 74.1, 80.2, 75.1, 78.3, 58.5 , 62, 66.3, 65, 67.1, 88.2, 89.1 , 80.1, 76.3
The following data represents the age of 30 lottery winners. 23 28 29 31 33 41 44 49 49 49 49 55 57 57 60 63 63 64 66 66 67 68 69 69 70 71 73 75 76 87 Complete the frequency distribution for the data. Age Frequency 20-29 30-39 40-49 50-59 60-69 70-79 A 80-89
4
The average quantitative GRE scores for the top 30 graduate schools of engineering are listed. Construct a frequency distribution with 6 classes. 767 770 761 760 771 768 776 771 756 770 763 760 747 766 754 771 771 778 766 762 780 750 746 764 769 759 757 753 758 746 Which shows class boundary, Class limits, Mid-point, frequency, and cumulative frequency
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.
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.
The frequency distribution table
A reviewer decides to interview patrons to see how they would rate a particular restaurant. The following table lists the responses from twenty-five patrons. Construct a frequency distribution for the data. Restaurant Ratings Five Stars One Star Two Stars Three Stars Four Stars Three Stars Four Stars Four Stars Five Stars Three Stars Five Stars Four Stars Five Stars Four Stars Five Stars One Star Three Stars Five Stars One Star One Star Five Stars Two Stars Four Stars Three Stars Five Stars
Create a relative frequency distribution table for the following ungrouped data: 34 53 39 36 50 41 52 36 55 34 57 49 60 39 32 57 45 54 56 33 33 35 47 46 52 39 39 52 57 32. Create a histogram that corresponds to the created table.

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