b. TripAdvisor is one of many online websites that provides ratings for hotels throughout theworld. TripAdvisor uses a semi-automated telephone process to take reservations fromits customers. This company conducts a survey of customers, asking them whatproblems they have encountered in making reservations. The chart below shows theanalysis of the customer responses (BS = Busy Signal; TL = Too Long to Wait; GD = GotDisconnected; WP = Transferred to the Wrong Person).Problems Encountered Making Enquiries by Telephone450400400350-3002502001751501005050250BSTLGDWPType of ComplaintWhat percentage of customers encountered "Busy Signal" or "Too Long to Wait" whenmaking reservations?Number of Complaints

Answered: Image /qna-images/answer/9fa14453-6a93-463a-8c68-63af60aff6bb.jpg

Answered: b. TripAdvisor is one of many online…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The accompanying table gives the number of people diagnosed with AIDS in 2010 in 6 regions and the population of that region. Note that the "Rank Cases" column ranks the regions in order of the highest number of AIDS patients to the lowest number of AIDS patients; using 1 for the largest value and 6 for the smallest. Use the table to answer the following questions. LOADING... Click the icon to view the data table. Find the population of the remaining regions in thousands and add them to the table. Region AIDS Rank Cases Population Population (thousands) A 72,471 1 19,206,132 19,206 B 65,139 2 36,453,357 36,453 C 48,007 3 18,200,006 nothing D 31,186 4 23,909,187 nothing E 18,072 5 12,430,135 nothing F 6,127 6 594,514 nothing (Round to the nearest whole number as needed.)
A statistical program is recommended. The Condé Nast Traveler Gold List provides ratings for the top 20 small cruise ships. The data shown below are the scores each ship received based upon the results from Condé Nast Traveler's Annual Readers' Choice Survey. Each score represents the percentage of respondents who rated a ship as excellent or very good on several criteria, including Shore Excursions and Food/Dining. An overall score was also reported and used to rank the ships. The highest ranked ship, the Seabourn Odyssey, has an overall score of 94.4, the highest component of which is 97.8 for Food/Dining. Shore Ship Overall Food/Dining Excursions Seabourn Odyssey 94.4 90.9 97.8 Seabourn Pride 93.0 84.2 96.7 National Geographic Endeavor 92.9 100.0 88.5 Seabourn Sojourn 91.3 94.8 97.1 Paul Gauguin 90.5 87.9 91.2 Seabourn Legend 90.3 82.1 98.8 Seabourn Spirit 90.2 86.3 92.0 Silver Explorer 89.9 92.6 88.9 Silver Spirit 89.4 85.9 90.8 Seven Seas Navigator 89.2 83.3 90.5 Silver Whisperer…
A consumer group wanted to determine if there was a difference in customer perceptions about prices for a specific type of toy depending on where the toy was purchased. In the local area there are three main retailers: W-Mart, Tag, and URToy. For each retailer, the consumer group randomly selected 5 customers, and asked them to rate how expensive they thought the toy was on a 1-to-10 scale (1= not expensive, to 10 = very expensive). The toy was priced the same at all retail stores. Compute the percentage of variance explained by the group differences for these data. Q: Percentage and variance explained = ?
Please complete the following question. Make sure you are responding to all parts of the question. The number of awards earned by students at one high school is recorded. Predictors of the number of awards earned include the type of program in which the student was enrolled (e.g., vocational, general or academic) and the score on their final exam in math. Variables Participant number (ID) Number of awards Program type (vocational - 1; general - 2; academic - 3 Math Score id num_awards prog math 45 1 3 41 108 1 1 41 15 1 3 44 67 1 3 42 153 1 3 40 51 1 1 42 164 1 3 46 133 1 3 40 2 1 3 33 53 1 3 46 1 1 3 40 128 0 2 38 16 1 3 44 106 1 3 37 89 1 3 40 134 1 1 39 19 1 1 43 145 0 3 38 11 1 2 45 117 0 3 39 109 1 1 42 12 1 3 45 37 1 3 40 69 0 3 40 43 1 2 43…
I need help with something regarding this problem. The National Sleep Foundation recommends that adults aged 18 to 64 get an average of 8 hours of sleep per night. A survey of sleep hours was taken during a Statistics class. The data is listed below: 4, 5, 5, 5, 5.5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10 Do we have enough evidence at the 0.05 significance level to say that statistics students tend to get less sleep than the recommended average of 8 hours per night? How would I get the degrees of freedom?
The Condé Nast Traveler Gold List for 2012 provided ratings for the top 20 small cruise ships.† The data shown below are the scores each ship received based upon the results from Condé Nast Traveler's Annual Readers' Choice Survey. Each score represents the percentage of respondents who rated a ship as excellent or very good on several criteria, including Itineraries/Schedule, Shore Excursions, and Food/Dining. An overall score was also reported and used to rank the ships. The highest ranked ship, the Seabourn Odyssey, has an overall score of 94.4, the highest component of which is 97.8 for Food/Dining. Ship Overall Itineraries/Schedule ShoreExcursions Food/Dining Seabourn Odyssey 94.4 94.6 90.9 97.8 Seabourn Pride 93.0 96.7 84.2 96.7 National Geographic Endeavor 92.9 100.0 100.0 88.5 Seabourn Sojourn 91.3 88.6 94.8 97.1 Paul Gauguin 90.5 95.1 87.9 91.2 Seabourn Legend 90.3 92.5 82.1 98.8 Seabourn Spirit 90.2 96.0 86.3 92.0 Silver Explorer 89.9 92.6 92.6 88.9…
I can't understand why the data is the percentage of surveyed parents.
Your Statistics instructor wants to determine whether students who have previously taken an online course earn higher grades than students who have NOT taken an online course prior to taking the Statistics course. In this example, what is the response variable?
The Census Bureau Web site gives several choices for "average income" in its historical income data. In 2006, the median income of American households was $48,201. The mean household income was $66,570. The median income of families was $58,407, and the mean family income was $77,315. The Census Bureau says, “Households consist of all people who occupy a housing unit. The term ‘family’ refers to a group of two or more people related by birth, marriage, or adoption who reside together.” Identify the reason for mean incomes for households being higher than median incomes for households.
The Computer Anxiety Rating Scale (CARS) measures an individual’s level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at a large university administered CARS to 80 business students. One of the objectives of the study was to determine whether there is a difference between the level of computer anxiety experienced by female students and male students. Of the 80 student survey takers, 40 were male, 40 were female. The results are in the table below for statistical analysis of variability between the two samples. All of these analyses are run with a 95% level of confidence. Males Females Sample Mean 40.26 36.85 Sample Standard Deviation 13.35 9.42 Perform the test chosen in part (d) of the previous problem and supply this information: a. What is the value of the test statistic? b. Find the probability of getting these results if there is no difference in anxiety ratings between the…
In a survey that asked individuals about their favorite styles of music, 37 replied rock, 27 said they preferred pop music, 14 stated they like classical music the most, and 3 individuals stated they preferred opera. Based on this data, what would be the mode? Why couldn’t the mean or median be used to describe this set of values?
Part b should be a sample size of 29%, not 25%

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