The following data represent net yards gained per game by American Football running backs who played during a given week of the season. Construct a stem-and-leaf display for the given data in the accompanying table. Treat the ones digit as the leaves. For any single-digit data, use a stem of 0. Construct a stem-and-leaf display for the given data. 2611377539846335577918344425553364326366844365142271116784675921192243742183241
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A:
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- Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector measures 10 spacers and records the following thicknesses: 0.372" 0.376" 0.379" 0.375" 0.370" 0.373" 0.377" 0.378" 0.371" 0.380" Which spacers are defective (above the maximum limit or below the minimum limit)? All dimensions are in inches.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 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? 510398398515357327480491308408483394320338463321374307538409The following are the duration times (minutes) of all 10 missions flown by a space shuttle. Use the given data to identify the 5-number summary and construct a boxplot. 12 7038 8455 8780 10009 10091 10139 11451 11480 11915
- Fill the chi square for Cross 1 and Cross 2 from the following data in the attached image: Cross 1: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 = Cross 2: Phenotypes Ratio Observed Expected (O-E)2/E Totals X2 =The following data are for the throughput, as measured by the number of wafer lots produced per day by different operators (A, B, C, and D) on different machines (each operator used each machine on two different days): Eighty-four working days were needed to collect the data. The numbers in parentheses refer to the days on which the results were obtained. For example, on the first day, operator A produced 17 lots using machine 2, and on the 84th day, operator A produced 18 lots using machine 5. On some days (such as the third day), more than one item of data was collected, and on other days (such as day 40), no data was collected. Analyze the data, stating all assumptions and conclusions.A survey of the opinions of property owners about a street widening project was taken to determine whether the resulting opinion was related to the distance of front footage. A randomly selected sample of 100 property owners was contacted and the results are shown below. Opinion Front-Footage For Undecided Against Under 45 feet 12 4 4 45 – 120 feet 35 5 30 Over 120 feet 3 2 5 What is the computed value of chi-square? 5.4787 4.9985 9.2784 7.9842 11.0355
- The following data has been collected on the interarrival times of patients to an emergency department: 3.772, 1.761, 0.743, 15.988, 0.412, 7.541, 6.900, 3.447, 7.024, 1.061, 5.449, 0.309, 0.766, 4.807, 8.143, 0.093, 9.524, 0.012, 4.634, and 0.195 minutes. Estimate the squared coefficient of variation of the arrival process. Is the arrival process likely to be Poisson? Why or why not? Estimate the arrival rate?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 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? 491 413 455 344 468 347 424 487 373 328 411 509 547 313 470 502 348 328 514 488 The cutoff point is minutes. (Round to the nearest minute.)To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. 1 2 3 15 26 23 21 24 22 19 29 26 17 25 25 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a=0.05Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals)._____ The p-value is _____ What is your conclusion? Choose: (Conclude the mean time needed to mix a batch of material is not the same for all manufacturers/Do not reject the assumption that mean time needed to mix a batch of material is the same for all manufacturers) b. At the a=0.05 level of significance, use Fisher's LSD…
- Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cyclone? For a random sample of tropical cyclones, let x be the lowest pressure (in millibars) as a cyclone approaches, and let y be the maximum wind speed (in miles per hour) of the cyclone. x 1004 975 992 935 989 922 y 40 100 65 145 84 153 (c) Use a calculator to verify that x = 5817, x2 = 5,645,135, y = 587, y2 = 67,315 and xy = 561,857. Compute r. (Round your answer to three decimal places.)The table below shows average tuition and fees charged by American colleges and universities as well as federal student assistance for the years 1995 to 2005. Let x represent the number of years since 1995. Use the data in the table to answer the follwoing qestions. Year 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 tuition/fees public ($) 2057 2179 2271 2360 2430 2506 2562 2700 2903 3319 3629 tuition/fees private ($) 11111 11864 12498 12801 13428 14081 15000 15742 16383 17327 18154 federal assistance (million $) 35477 38865 40074 43072 40162 44007 48582 55525 62275 69053 72112 Step 1: Calculate the percentage of increase for the private college and university tuition and fees from1995 to 1999. Enter your answer inside the box below and round the answer to the nearest whole number. Calculate the percentage of increase for the private college and university tuition and fees from 2000 to 2005. Enter your answer inside the box below and round the answer to the…All manual computations must be carried with four decimal accuracy. Nickel Savings and Loan wishes to compare the two companies it uses to appraise the value of residential homes. Nickel Savings selected a sample of 10 residential properties and scheduled both firms for an appraisal. The result reported in $000 are: Home Schadek BowyersA 235 228 B 210 205 C 231 219 D 242 240 E 205 198 F 230 223 G 231 227 H 210 215 i 225 222 J 245 245 At 0.025 level of significance, can it be concluded that Bowyers has a lower mean appraisal home value? Data File:Appraisals.xlsx Determine which of the following formulations of the hypotheses is most appropriate and enter the corresponding…