The Ministry of Manpower conducted an analysis of retail workers. A randomsample of workers was asked a series of questions regarding workplacesatisfaction and personal circumstances. Some of the variables and their definitionswere as follows:AGE:GENDER:SALARY:POSITION:SERVICE:TRAVELTIME:the age of the worker (in years).the worker's gender.the worker's annual salary (in dollars).the worker's occupation within the industry, coded as 1= SalesAssistant, 2=Supervisor, 3-Manager.the length of service with current employer (recorded in days)the time the worker took to travel to work on their last work daybefore the interview (in minutes).Which one of the following sets of statements about the above variables is mostcorrect?A. AGE is ordinal; SALARY is ordinal.B. SALARY is discrete; SERVICE is ordinal.C. TRAVELTIME is continuous; POSITION is discrete.D. TRAVELTIME is discrete; SALARY is discrete.E. GENDER is nominal.

Answered: The Ministry of Manpower conducted an…

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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The age of a patient at the time of diagnosis of colon cancer was tracked—50 males and 50 females. The ages are: M: 91 87 87 85 83 81 80 79 78 77 75 75 74 73 72 72 71 71 70 69 69 68 66 66 65 63 63 63 62 62 62 61 61 61 60 60 59 59 57 56 55 55 53 53 51 48 45 39 38 29 F: 94 93 92 90 89 88 87 86 86 85 85 83 81 79 79 78 77 77 76 76 76 76 75 74 74 73 72 72 71 70 68 68 67 66 66 65 65 65, 64 64 64 63 60 59 58 55 54 53 51 48 Calculate the value for: (1) 85th percentile for the combined ages. (2) Percentile for an age of 60 for females.__________th(3) Percentile for an age of 75 for males.______________th
Refer to the following: For countries listed in the Human Development Report, the correlation between the percent of people using the Internet and per capita gross domestic product (GDP) is 0.888. The correlation (r) between the percent of people using the Internet and the percent using cell phones is 0.818. The correlation between the percent of people using the Internet and the literacy rate is 0.669. The correlation between the percent of people using the Internet and the fertility rate is -0.551. Which variable (GDP, percent using cell phones, literacy rate, or fertility rate) has the strongest linear association with Internet use? Which variable has the weakest linear association with Internet use?
The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda Odyssey EXL 20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda Odyssey 33 17500 2002 Honda Odyssey 41 18999 2001 Honda Odyssey EX 43 17200 2001 Honda Odyssey EX 67 18995 2000 Honda Odyssey LX 46 13900 2000 Honda Odyssey EX 72 15250 2000 Honda Odyssey EX 82 13200 2000 Honda Odyssey 99 11000 1999 Honda Odyssey 71 13900 1998 Honda Odyssey 85 8350 1995 Honda Odyssey EX 100 5800 Compute the correlation between mileage and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to 3 decimal places.) r =
The International League of Triple-A minor league baseball consists of 14 teams organized into three divisions: North, South, and West. Suppose the following data show the average attendance for the 14 teams in the International League. Also shown are the teams' records; W denotes the number of games won, L denotes the number of games lost, and PCT is the proportion of games played that were won. Team Name Buffalo Bisons Lehigh Valley IronPigs Pawtucket Red Sox Rochester Red Wings Scranton-Wilkes Barre Yankees Syracuse Chiefs Charlotte Knights Durham Bulls Norfolk Tides Richmond Braves Columbus Clippers Indianapolis Indians Louisville Bats Toledo Mud Hens Division North North North North North North South South South West West West WL West 66 77 0.462 55 89 0.382 85 58 South 63 78 0.447 PCT 88 56 74 70 0.514 69 73 0.594 0.611 0.486 69 73 74 70 0.514 64 78 0.451 63 78 0.447 0.486 68 76 0.472 88 56 0.611 75 69 0.521 Attendance 8,819 8,478 9,099 6,917 7,141 5,769 4,525 6,998 6,284 4,451…
Would you like a cup of tea? Carole and Julius are getting ready to open a new cafe and are gathering up information about sales of different drinks in their state. They obtain data containing the yearly sales (in $1000s) for three types of tea: Darjeeling, Earl Grey, and Green Tea. A boxplot of the data and a histogram of the sales for all three teas combined is shown below. Note: Clicking on any image in this problem will open it in a new window, allowing you to enlarge the view. Tea Sales by Product Combined Tea Sales Darjeeling Earl Grey Green Tea 100 200 300 400 Product Sales in $1000 Part 1: Use the plots above to make quantitative comparisons and answer the following questions: Quantity A: The 75th percentile (Q3) of Sales for Darjeeling Tea Quantity B: The 75th percentile (Q3) of Sales for Green Tea Quantity A is greater 008 007 Frequency 00z 001 Sales in $1000
The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda Odyssey EXL 20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda Odyssey 33 17500 2002 Honda Odyssey 41 18999 2001 Honda Odyssey EX 43 17200 2001 Honda Odyssey EX 67 18995 2000 Honda Odyssey LX 46 13900 2000 Honda Odyssey EX 72 15250 2000 Honda Odyssey EX 82 13200 2000 Honda Odyssey 99 11000 1999 Honda Odyssey 71 13900 1998 Honda Odyssey 85 8350 1995 Honda Odyssey EX 100 5800 Compute the correlation between mileage and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to 3 decimal places.)rr =
Would you like a cup of tea? Carole and Julius are getting ready to open a new cafe and are gathering up information about sales of different drinks in their state. They obtain data containing the yearly sales (in $1000s) for three types of tea: Darjeeling, Earl Grey, and Green Tea. A boxplot of the data and a histogram of the sales for all three teas combined is shown below. Note: Clicking on any image in this problem will open it in a new window, allowing you to enlarge the view. Tea Sales by Product Combined Tea Sales Darjeeling Earl Grey Green Tea 100 200 300 400 Product Sales in $1000 Part 1: Use the plots above to make quantitative comparisons and answer the following questions: Quantity A: The 75th percentile (Q3) of Sales for Darjeeling Tea Quantity B: The 75th percentile (Q3) of Sales for Green Tea Quantity A is greater Quantity A: The median of Sales for Darjeeling Tea Quantity B: The median of Sales for Green Tea Quantity B is greater 00€ 007 Frequency > 000 008 007 Sales in…
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 247 Humanities 25% 209 Natural Science 20% 222 Social Science 15% 127 All other subjects 8% 83 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are the same.H1: The distributions are different.H0: The distributions are different.H1: The distributions are different. H0: The distributions are the same.H1: The distributions are the same.H0: The…
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A case-control study was conducted to examine the association between lung cancer and smoking in men. The case group contains 500 patients, who were diagnosed with lung cancer. Five hundred age-matched patients were recruited as controls. The study found that 50% of cases were regular smoking and the proportion is 20% among controls. a. Create a 2x2 table based on the given information
Classify each of the following data types as qualitative or quantitative. 1. Types of animals used as NFL football team mascots 2. Weight of kindergarten students 3. Height of sycamore trees 4. Dollars earned by actor 5. Colors people use to paint their houses

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