The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraudprevention program for the past 20 months. The phone company decides to use the upper fence as thecutoff point for the number of minutes at which the customer should be contacted. What is the cutoffpoint? The cutoff point is minutes. (Round to the nearest minute.) The following data represent the monthly phone use, in minutes, of a customer enrolled 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 of minutes at which the customer should be contacted. What is the cutoff point?The cutoff point is minutes.(Round to the nearest minute.)322 399 389 413441 453 519!!!!398 482 318 521507 432 311 509499 364 344 3475400

322399389413441453519540398482318521507432311509499364344347Here n=20The cutoff point is the fixed…

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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Listed are the net sales for a San Francisco–area mail-order retailer for the years 2009 to 2018. Use the mean sales for the earliest three years to determine a base and then find the index for 2017 and 2018. (Round your answers to 1 decimal place.) By how much have net sales increased from the base period? (Round your answers to 1 decimal place.)
In statistics, the data we work with is just one part of a bigger picture called the ____. In statistics, the data we work with is just one part of a bigger picture called the
C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52
(a) Determine the population mean pulse. The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.) Student Pulse O Perpectual Bempah 76 Megan Brooks Jeff Honeycutt 80 85 Clarice Jefferson 75 Crystal Kurtenbach 60 Janette Lantka 64 Kevin McCarthy 79 Tammy Ohm 80 Kathy Wojdya 84
How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 57 dogsled teams are shown below. 261 271 236 244 279 296 284 299 288 288 247 256 338 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 USE SALT For this problem, use five classes. (a) Find the class width. 25 236 261 286 311 336 (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to two decimal places.) Class Limits Class Boundaries Midpoint Frequency I I I - 260 285 310 335 360 - Relative Cumulative Frequency Frequency
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Graph the following table of values
How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 57 dogsled teams are shown below. 261 271 236 244 279 296 284 299 288 288 247 256 338 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 For this problem, use five classes. (a) Find the class width. (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 2 decimal places.)
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. The midpoint of a class is the sum of its lower and upper limits divided by two. Choose the correct answer below. OA. The statement is false. A true statement is "The midpoint of a class is the class frequency divided by the sample size." B. The statement is false. A true statement is "The midpoint of a class is the average of its lower and upper limits." OC. The statement is false. A true statement is "The midpoint of a class is the difference of its lower and upper limits divided by two." O D. The statement is true.
(a) Determine the population mean pulse. The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.) Student Pulse O Perpectual Bempah 81 Megan Brooks Jeff Honeycutt 75 75 Clarice Jefferson 84 Crystal Kurtenbach 90 Janette Lantka 71 Kevin McCarthy 67 Tammy Ohm 71 Kathy Wojdya 85
UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS. NO LONG EXPLANATION. BOX THE FINAL ANSWER.
The Nenana Ice Classic is an annual contest to guess the exact time in the spring thaw when a tripod erected on the frozen. Tanana River near Nenana, Alaska, will fall through the ice. The contest has been run since 1917. The 2017 jackpot was $267,444. The table gives simplified data that record only the date on which the tripod fell each year. The earliest date so far is April 20. To make the data casier to use, the table gives the date each year in days starting with April 20. That is, April 20 is 1, April 21 is 2, and so on. Days from April 20 for the Tanana River tripod to fall Duy Year 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 Year 1948 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 Days from April 20 for the Tanana River tripod to fall 1983 11 1984 22 14 22 22 23 20 22 16 7 23 17 16 19 21 12 19 Day 19 9 15 19 21 15 17 21 17 11. 11 10 11 21 10 20 Days from April 20 for the Tanana River tripod to fall Year 1934 1935…

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