The following data represent the ages of award winners for best actor and best actress in a leading role for the 20 years from 1985 to 2004. Answer parts (a) – (b)below.Full data setBest Actor AgesBest Actress Ages31524160494231383244273247282139384654413439384672602232423852285352266130333527(a) Construct an ordered back to back stem-and-leaf display.Best Actor AgeBest Actress Age47LOCO

Given that The data of best actor ages 31,52,41,60,49,42,31,38,38,46,54,41,34,39,38,46,53,52,26,61…

Answered: The following data represent the ages…

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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Scores in the first and fourth (final) rounds for a sample of 20 golfers who competed in PGA tournaments are shown in the following table. Player Michael Letzig Scott Verplank D. A. Points Jerry Kelly Soren Hansen D. J. Trahan Bubba Watson Reteif Goosen Jeff Klauk Kenny Perry First Final Round Round 70 71 70 72 70 67 71 68 67 70 72 72 75 71 69 67 67 75 73 69 Player Aron Price Charles Howell Jason Dufner Mike Weir Carl Pettersson Bo Van Pelt Ernie Els Cameron Beckman Nick Watney Tommy Armour III First Round 72 72 70 70 68 68 71 70 69 67 Final Round 72 70 - 73 77 70 65 70 68 68 71
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). Student Perpectual Bempah Megan Brooks Jeff Honeycutt Clarice Jefferson Crystal Kurtenbach Janette Lantka Kevin McCarthy Tammy Ohm Kathy Wojdya Pulse 63 79 87 75 81 81 68 74 84 (a) Determine the population mean pulse. The population mean pulse is approximately 76.9 beats per minute. (Round to one decimal place as needed.) (b) Determine the sample mean pulse of the following two simple random samples of size 3. Sample 1: {Kathy, Kevin, Megan} Sample 2: (Perpectual, Megan, Jeff} The mean pulse of sample 1 is approximately (Round to one decimal place as needed.) A beats per minute.
The ages of the 36 millionaires sampled are arranged in increasing order in the following table. 31, 37, 39, 39, 42, 42, 45, 47, 4848, 48, 52, 52, 53, 54, 54, 57, 5960, 61, 64, 64, 66, 66, 67, 68, 6869, 71, 71, 74, 75, 77, 79, 79, 79 a. Find and interpret the five-number summary.b. Identify potential outliers, if any.c. Construct and interpret a box plot.
The manager of Hudson Auto Repair would like to get a better picture of the distribution of costs for new parts used in the engine tune-up jobs done in the garage. A sample of 50 customer invoices for tune-ups has been taken and the costs of parts, rounded to the nearest dollar, are listed below. 91 78 93 57 75 52 99 80 73 62 71 69 72 89 66 75 79 75 72 76 104 74 62 68 97 105 77 65 80 109 85 97 88 68 83 68 71 69 67 74 62 82 98 101 79 105 79 69 62 73 Develop a frequency distribution for these cost data. Use your own judgment to determine the number of classes and class width that provide a distribution that will be meaningful and helpful to the manager. a. Develop a stem-and-leaf display showing both the rank order and shape of the data set. (3) b. Develop a stretched stem-and-leaf display using two stems for each leading digit(s). (2) c. Which display is better at revealing the natural grouping and variation in the data? (1)
The following data represents the age of 30 lottery winners. 24 26 26 27 33 38 38 39 41 44 46 47 48 48 51 61 61 64 67 69 71 72 74 75 76 76 79 79 79 85 Complete the frequency distribution for the data. Age Frequency 20-29 30-39 40-49 50-59 60-69 70-79 80-89
The following data represents the age of 30 lottery winners. 24 25 26 26 34 35 37 37 40 41 43 43 45 48 50 51 54 56 57 62 63 65 65 68 70 75 76 79 79 83 Complete the frequency distribution for the data. Age Frequency 20-29 30-39 40-49 50-59 60-69 70-79 80-89

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