esThe corporate headquarters of Bank.com, an on-line banking company, is located in downtown Philadelphia. The director ofhuman resources is making a study of the time it takes employees to get to work. The city is planning to offer incentives toeach downtown employer if they will encourage their employees to use public transportation. Below is a listing of the timeto get to work this morning according to whether the employee used public transportation or drove a car.2337324025422532. 3344Public Transportation30MedianFirst quartileThirdquartile31 31 32 33 35 36Private34 37 37Click here for the Excel Data File38 38 38 39a. Find the median and the first and third quartiles for the time it took employees using public transportation. (Round youranswers to 2 decimal places.) b. Find the median and the first and third quartiles for the time it took employees who drove their own vehicle. (Round youranswers to 2 decimal places.)MedianFirst quartileThirdquartile

The data shows the time to get to work this morning according to whether the employee used public…

Answered: The corporate headquarters of Bank.com,…

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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Several years ago, two companies merged. One of the concerns after the merger was the increasing burden of retirement expenditures. An effort was made to encourage employees to participate in the 401(k) accounts. Nationwide, 63% of eligible workers participated in these accounts. The accompanying data table contains responses of 30 employees of the company when asked if they were currently participating in a 401(k) account. Complete parts a through d. Click the icon to view the data table. a. Determine the sample proportion of company workers who participate in 401(k) accounts. The sample proportion is. (Round to three decimal places as needed.) b. Determine the sampling error if in reality the company workers have the same proportion of participants in 401(k) accounts as does the rest of the nation. The error is (Round to three decimal places as needed.) c. Determine the probability that a sample proportion at least as large as that obtained in the sample would be obtained if the…
Bicycling, the world's leading cycling magazine, reviews hundreds of bicycles throughout the year. Their "Road-Race" category contains reviews of bikes used by riders primarily interested in racing. One of the most important factors in selecting a bike for racing is the weight of the bike. The following data show the weight (pounds) and price ($) for 10 racing bikes reviewed by the magazine.† Brand Weight Price ($) FELT F5 17.8 2,100 PINARELLO Paris 16.1 6,250 ORBEA Orca GDR 14.9 8,370 EDDY MERCKX EMX-7 15.9 6,200 BH RC1 Ultegra 17.2 4,000 BH Ultralight 386 13.1 8,600 CERVELO S5 Team 16.2 6,000 GIANT TCR Advanced 2 17.1 2,580 WILIER TRIESTINA Gran Turismo 17.6 3,400 SPECIALIZED S-works Amira SL4 14.1 8,000 (a) Use the data to develop an estimated regression equation that could be used to estimate the price for a bike given the weight. (Round your numerical values to the nearest integer). ŷ = ?? (b) Compute r2. (Round your answer to three decimal…
A math teacher asks each student how much time they spent studying for their last math test. She then checks each student’s overall mark. Is this case an experimental study or an observational study? 1.experimental study 2.observational study
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An ethical data analyst would be least likely to Multiple Choice check data for accuracy. cite his/her data sources and their limitations. acknowledge sources of financial support. rely on consultants for all calculations.
Virginia polled a large sample of individuals to find the percentage of students with known food allergies and the percentage of students without known food allergies. Which of the following could sufficiently display the data if only the two given categories are to be included? Select the correct answer below: bar graph pie chart either a pie chart or a bar graph neither a pie chart nor a bar graph
Several years ago, the Arcadia school system was criticized because the average Arcadia High School graduate could read at only the ninth-grade level. After this report was made, a special reading program was established to upgrade skills. The AHS principal wants to know if the reading program worked. If it has, he will request that an accreditation team visit the school. If the program has not improved the reading level to at least 10.0 (sophomore level), the administrator would like to avoid the embarrassment of a poor review. To determine the average reading level of the senior class, we select ten seniors at random. We assume that reading scores are normally distributed. The reading scores for the ten seniors are shown in Table 1. Table 1: Reading Scores for Sample High School Seniors Student Reading Score 1 13.4 2 12.1 3 11.4 4 10.6 5 10.3 6 10.2 7 9.8 8 9.7 9 9.4 10 8.6 Calculate the sample mean…
Travel + Leisure magazine presented its annual list of the 500 best hotels in the world. The magazine provides a rating for each hotel along with a brief description that includes the size of the hotel, amenities, and the cost per night for a double room. A sample of 12 of the top-rated hotels in the United States follows. Location Rooms Cost/Night Phoenix, AZ 220 499 Orlando, FL 727 340 Los Angeles, CA 285 585 Boston, MA 273 495 Washington DC 145 495 Ashville, NC 213 279 Phoenix, AZ 398 279 Island of Hawaii 343 455 Laguna Beach, CA 250 595 Chicago, IL 414 367 Dana Point, CA 400 675 Colorado Springs, CO 700 420 What is the sample correlation coefficient? What does it tell you about the relationship between the number of rooms and the cost per night for a double room? Does this appear reasonable? Discuss. Please show steps in Excel.
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• Accountant• Executive Secretary• Data Entry• Engineer• Human Resources Specialist• Sales Representative• Director of Administrative and Financial Affairs How can I rank and value these jobs using simple ranking method?

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