The following data represent the monthly phone use, in minutes, of a customerenrolled in a fraud prevention program for the past 20 months. The phonecompany decides to use the upper fence as the cutoff point for the number ofminutes at which the customer should be contacted. What is the cutoff point?The cutoff point is minutes.(Round to the nearest minute.)461 355397526377472419 538388461402532505353477419501 431428 353D

The data for monthly phone use in minutes is…

Answered: The following data represent 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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Kennedy earned scores of 92, 95, 73, 78, 94, 84, 100, 92, 85, and 75 on her reading tests. What is the mean of her test scores? Round your answer to one decimal place. Please show work!!
Some states now allow online gambling. As a marketing manager for a casino, you need to determine the percentage of adults in those states who gamble online. How many adults must you survey in order to be 90% confident that your estimate is in error by no more than three percentage points? Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of adults who gamble online. n= (Round up to the nearest integer.) (...)
Make a stem-and-leaf plot for the following stock prices:25 64 32 99 74 27 66 72 83 54 59 67 72 66 54 52 33 75 43 39
A statistics instructor asks each student in his classes to report how much the student spent on textbooks for the semester. The figures reported by students are shown below. 725 735 555 420 385 480 505 270 405 285 585 450 515 560 500 395 545 595 365 455 505 345 555 485 560 475 520 455 355 590 550 495 505 505 495 465 370 355 480 385 515 605 480 410 485 560 475 350 465 435 455 380 320 535 565 520 510 495 485 650 490 295 555 540 565 490 570 380 610 600 390 375 390 335 525 445 540 490 485 555 440 560 405 590 520 470 560 510 340 385 585 635 415 455 590 385 505 510 545 405 470 560 495 515 495 595 565 615 470 680 465 470 310 470 505 465 375 360 650 460 560 500 375 500 370 415 490 440 470 525 535 640 385 475 425 595 505 365 485 495 390 380 585 690 Treat the data above as POPULATION data. 2 The variance of the expenditure on textbooks by all students is: a 7,764.93 b 7,923.40 c 8,085.10 d 8,250.10
A school survey asked 20 questions about student characteristics and interests. State whether each of the following questions provides Nominal, Ordinal, Interval or Ratio data. When did you take admission to the university? What is your age? Are you male or female? Do you read books? Never, Sometimes, Often, Always How tall are you? Will you recommend your university to others? Highly likely, Likely, Neutral, Unlikely, Very unlikely
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A. Complete the table. Express your answer up to decimal places. S 90 82 75 10 -1.3 -2 78 84 69 3 1 70 12 1.2 50 48 83 3.5 7 36 4.8 8 75 1.9 9 48 -2 3 2.5 10 67 1.2 123 456
Decide whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain your reasoning. For the 30 students who took the test, the high score was 80, the median was 75, and the low score was 40. Choose the correct answer below. A. The statement does not make sense because the median should lie halfway between the lowest value and the highest value. B. The statement makes sense because it is possible that when sorting the 30 scores from low to high, the first value was 40, the highest value was 80, and 75 was halfway between the 15th and the 16th score. C. The statement does not make sense because the median should divide the lowest fourth of a data set from the upper three-fourths. D. The statement makes sense because it is possible that when sorting the 30 scores from low to high, the first value was 40, the highest value was 80, and 75 was halfway between the 14th and the 15th score. O O O
Handwritten only
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A statistics instructor asks each student in his classes to report how much the student spent on textbooks for the semester. The figures reported by students are shown below. 725 735 555 420 385 480 505 270 405 285 585 450 515 560 500 395 545 595 365 455 505 345 555 485 560 475 520 455 355 590 550 495 505 505 495 465 370 355 480 385 515 605 480 410 485 560 475 350 465 435 455 380 320 535 565 520 510 495 485 650 490 295 555 540 565 490 570 380 610 600 390 375 390 335 525 445 540 490 485 555 440 560 405 590 520 470 560 510 340 385 585 635 415 455 590 385 505 510 545 405 470 560 495 515 495 595 565 615 470 680 465 470 310 470 505 465 375 360 650 460 560 500 375 500 370 415 490 440 470 525 535 640 385 475 425 595 505 365 485 495 390 380 585 690
The following data shows the measurement of 20 waiting times. 89 79 58 82 52 88 52 78 56 51 77 72 71 55 87 53 85 61 69 75

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