The following data represent the menthly phone use, in minutes, of a customer enroled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fonce as the cuoff point for the number of minutes at which the customer should be contaded. What is the outof point? 352 474 518 300 428 323 355 332 364 327 aSnip 420 332 312 429 300 489 405 497 530 446 The atoff point is minutes (Round to the nearest minule)
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- The following data represent the monthly phone use, in minutes, of a customer enrolled in a traud prevention program for the past 20 months. The phone company decides to use the upper fence as the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point? The cutoff point is minutes (Round to the nearest minute) $15 334 427 320 -> 448 421 387 498 300 521 536 456 455 330 529 464 482 310 329 4999.) A recent survey of 2,000 Taylor Swift fans reported that the average fan paid $300 for concert ticket. Is this an example of inferential or descriptive statistics?A researcher is interested to see if income is related to education level. Income (Dollars) Education (Years) $36,577 11 $54,365 12 $33,542 10 $65,654 12 $45,765 11 $24,354 7 $43,233 12 $44,321 13 $23,216 9 $43,454 12 $64,543 12 $43,433 14 $34,644 12 $33,213 10 $55,654 15 $76,545 14 $21,324 11 $17,645 12 $23,432 11 $44,543 15 SPSS Output (Correlation Matrix and Scatterplot): Describe the relationship in non-technical terms and any potential third variables: Report the Correlation in APA format:
- 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 690The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.5 6.6 6.7 6.8 7.1 7.3 7.5 7.8 7.8 7.8 Bank B 4.1 5.5 5.9 6.2 7.8 6.6 7.8 8.5 9.2 10.0 Click the icon to view the table of Chi-Square critical values. Construct a 95% confidence interval for the population standard deviation o at Bank A. minThe following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda odyssey EXL 20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda odyssey 33 17500 2002 Honda odyssey 41 18999 2001 Honda odyssey EX 43 17200 2001 Honda Odyssey EX 67 18995 2000 Honda Odyssey LX 46 13900 2000 Honda odyssey EX 72 15250 2000 Honda Odyssey EX 82 13200 2000 Honda odyssey 99 11000 1999 Honda odyssey 71 13900 1998 Honda odyssey 85 8350 1995 Honda odyssey EX 100 5800 Compute the correlation between age (in years) and price for these minivans. Round your answer to three decimal places.The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.4 6.6 6.7 6.8 7.1 7.3 7.4 7.8 7.8 7.8 5.5 5.8 6.2 6.6 7.7 7.7 8.5 9.2 10.0 Bank B 4.2 Click the icon to view the table of Chi-Square critical values. ..... Construct a 95% confidence interval for the population standard deviation o at Bank A. min < OBank A min (Round to two decimal places as needed.) Construct a 95% confidence interval for the population standard deviation o at Bank B. min < OBank B < min (Round to two decimal places as needed.) Interpret the results found in the previous parts. Do the confidence intervals suggest a difference in the variation among waiting times? Does the single-line system or the multiple-line system seem to be a better arrangement? O…Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation a at Bank A. 0.40 minThe owner of a cell phone store at Greenhills Shopping Center was nothappy when he learned that the average number of cell phones sold dailywas only 8 mobile phones. He hired a new seller and told him to tally the dailysales for 20 days. The following are the number of cell phones sold for thepast 20 days. 9 9 9 8 99 11 12 12 1610 12 8 11 1718 15 14 17 14Do the collected data present sufficient evidence to indicate that the averagenumber of cell phones sold daily has increased? Use 0.05 level ofsignificance. Assume normality in the population.The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda Odyssey EXL 20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda Odyssey 33 17500 2002 Honda Odyssey 41 18999 2001 Honda Odyssey EX 43 17200 2001 Honda Odyssey EX 67 18995 2000 Honda Odyssey LX 46 13900 2000 Honda Odyssey EX 72 15250 2000 Honda Odyssey EX 82 13200 2000 Honda Odyssey 99 11000 1999 Honda Odyssey 71 13900 1998 Honda Odyssey 85 8350 1995 Honda Odyssey EX 100 5800 Compute the correlation between mileage and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to 3 decimal places.) r =The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.3 6.6 6.7 6.8 7.1 7.3 7.6 7.8 7.8 7.8 Bank B 4.3 5.4 5.8 6.3 6.7 7.7 7.7 8.5 9.3 10.0 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation o at Bank A. min < OBank A < min (Round to two decimal places as needed.) Construct a 90% confidence interval for the population standard deviation o at Bank B. |min < OBank B< min (Round to two decimal places as needed.) Interpret the results found in the previous parts. Do the confidence intervals suggest a difference in the variation among waiting times? Does the single-line system or the multiple-line system seem to be a better arrangement? O A.…The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.5 6.6 6.7 6.8 7.1 7.2 7.4 7.8 7.8 7.8 Bank B 4.1 5.3 5.9 6.2 6.7 7.6 7.6 8.6 9.2 10.0 A. Construct a 90%confidence interval for the population standard deviation σ at Bank A _____min <o Bank A < ______min…SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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