For Problems #1 through #15, consider the following context: The farmers at Olde Port Orchards grow a number ofvarieties of apples, including Royal Gala, Golden Delicious, Honey Crisp, Pink Lady, and Red Delicious. Patrons atthe farm's various fall harvest festivals can select one apple on their way off the property as a takeaway treat. Themanagement wonders if the apple varieties selected comparably by festival patrons. A simple random sample ofrecent selections by festival patrons was as follows:Royal GalaGolden DeliciousHoney CrispPink LadyRed Delicious4654503268Make no assumptions about the underlying distribution. Test the claim at the 1% level of significance.Item #9: Identify the number of outcomes, k.QUESTION 10For Problems #1 through #15, consider the following context: The farmers at Olde Port Orchards grow a number ofvarieties of apples, including Royal Gala, Golden Delicious, Honey Crisp, Pink Lady, and Red Delicious. Patrons atthe farm's various fall harvest festivals can select one apple on their way off the property as a takeaway treat. Themanagement wonders if the apple varieties selected comparably by festival patrons. A simple random sample ofrecent selections by festival patrons was as follows:Royal GalaGolden DeliciousHoney CrispPink LadyRed Delicious4654503268Make no assumptions about the underlying distribution. Test the claim at the 1% level of significance.Item #10: Determine the degrees of freedom, df.

Solution: Given information: n = 46+54+50+32+68 n = 250 total observation. k = 5 categories For…

Answered: For Problems #1 through #15, consider…

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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Problem 3. A state nonprofit organization wanted to encourage its members to consider the State of New York as a vacation destination. They are investigating whether their online ad campaign influenced its members to plan a vacation in New York within the next year. The organization surveyed its members and the result is displayed in the following table. Plan to Vacation Do Not Plan to Vacation Total Watched the Ad .36 .40 .76 Did Not Watch the Ad .11 .13 .24 Totals .47 .53 1.00 Here are the events of interest: W: Watched the online ad V: Plan to vacation in New York within the Next Year Find the appropriate probabilities for these events: a. W b. V c. WnV d. WUV e. Vc f. (WnV)e g. (WUV)e h. (WCUV)e i. V given that W has occurred 1. W given that V has occurred
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Mr. Cross, Mr. Jones, and Mr. Smith all suffer from coronary heart disease. As part of their treatment, they were put on special low-cholesterol diets: Cross on Diet I, Jones on Diet II and Smith on Diet III. Progressive records of each patient's cholesterol level were kept. At the beginning of the first, second, third, and fourth months, the cholesterol levels of the three patients were as follows. Cross: 210, 205, 195, and 185Jones: 230, 220, 215, and 210Smith: 230, 225, 220, and 210. (a) Represent this information in a 3 ✕ 4 matrix A. 1 2 3 4 Mr. Cross Mr. Jones Mr. Smith Find a24 and explain its meaning. a24 = represents ---Select--- Mr. Cross Mr. Jones Mr. Smith cholesterol at the beginning of the ---Select--- first second third fourth month. (b) Represent this information using a 4 ✕ 3 matrix B. Mr. Cross Mr. Jones Mr. Smith 1 2 3 4…
When 20 employees were first hired in 2011 for a creative engineering firm, Company A, the starting annual salary was $35,000. A competing creative engineering firm, Company B, had the same starting salary for 20 employees hired the same year. In 2016, data was collected on the annual salaries of the same employees at each of the two companyies. This data is displayed in the box plot shown. Part A: Compare the annual salary distributions and what are the pros and cons of working at each company? Explain using what you found in Part A
Use these data for problems 2 to 28. The remaining problems do not use these data. The city of Touristville has 87 hotels. The Touristville Tourist Bureau gives each hotel a rating of one to five stars based on the quality and kinds of services offered. A potential tourist wanted to see if there was a relatiorship between the price of the hotels and the number of rooms in the hotel. The tourist did not have time to collect data from all the hotels, so a sample was taken. The results are shown in the table below. Hotels in Touristville Hotel Stars Price Rooms Holiday 3 100 40 Marrian 4 125 60 Lowett 2 75 30 Ritzy 200 20 Sheridan 3 75 80 Hilty 4 125 80 Basic 50 20 Motel 8 1 100 30 Cobb 2. 100 10 Queens 2 50 130 Which term describes the variable Price in the sample? O Multi-Modal O No mode O Uniform O Unimodal O Bimodal Question 17 Calculate the median number of Rooms of the hotels in the sample. Question 18 Calculate the sample standard deviation of Price. What is the correct symbol used…
The Women’s Institutional Studies group at a Midwestern university wanted to compare the percentages of female faculty members in the various units on campus in Spring 2004. Of particular interest were the percentages of female faculty in the College of Education and in the College of Business . In a sample of 80 College of Education faculties, there were 36 females, and in a sample of 70 College of Business faculties, there were 15 females. Based upon this sample information, which of the following is the 98% confidence interval for the difference in the actual percentages of female faculty between College of Education and College of Business ? a. (0.075, 0.405). b. (0.123, 0.357). c. (-0.012, 0.252). d. (0.058, 0.422). e. (0.101, 0.379).
In the Focus Problem at the beginning of this chapter, a study was described comparing the hatch ratios of wood duck nesting boxes. Group I nesting boxes were well separated from each other and well hidden by available brush. There were a total of 475 eggs in group I boxes, of which a field count showed about 274 hatched. Group II nesting boxes were placed in highly visible locations and grouped closely together. There were a total of 796 eggs in group II boxes, of which a field count showed about 274 hatched. (a) Find a point estimate p1 for P1, the proportion of eggs that hatch in group I nest box placements. Find a 99% confidence interval for p1. (Use 3 decimal places.) P1 lower limit upper limit (b) Find a point estimate p2 for p2, the proportion of eggs that hatch in group II nest box placements. Find a 99% confidence interval for p2. (Use 3 decimal places.) lower limit upper limit (c) Find a 99% confidence interval for p1 – P2. (Use 3 decimal places.) lower limit upper limit Does…
ANOVA. Dr. Milgramm is conducting a patient satisfaction survey, rating how well her patients like her on a scale of 1-10. Her patients tend to fall into three categories: “Like a lot”, “like somewhat”, and “dislike a lot”. She believes that she might get different satisfaction scores from people in each group, but (because she's not great at numbers) she wants you to do an ANOVA to be sure. She has collected data from 12 patients (three equal groups) with the following results. Group 1) “Like a lot” Mean: 8 SS: 2 N: df: Group 2) “Like somewhat” Mean: 5 SS: 6 N: df: Group 3) “Dislike a lot” Mean: 2 SS: 4 N: df: Grand Mean: df Within-Group:__________ df Between-Groups:___________ Estimated Variance (S21) for Group 1: _______ Estimated Variance (S22) for Group 2: ___________ Estimated…
Eastern High School's highest academic award category is Highest Honors. The next highest award is Academic Excellence. The table shows data about the awards by grade. Use the table and the events that follow to complete problems 3-6. Grade 10 11 12 Award category Highest Honors 36 32 30 Academic Excellence 44 43 40 TEN: A recognized student is in the tenth grade. TWELVE: A recognized student is in the twelfth grade. HH: A recognized student received the Highest Honors award. AE: A recognized student received the Academic Excellence award. 3. Compare P(TEN|HH) and P(HH|TEN). Interpret what your answer means. 4. Are TEN and HH independent? Explain your reasoning and what your answer means.
Southern States Bank and Trust Southern States Bank and Trust monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company's goal. A sample of drive-thru times from the downtown branch was recently taken and is shown here. The frequency is the number of service times and the time interval is the service time in minutes. Time Interval Frequency 10 19 7 20 29 13 30 - 39 14 40 - 49 12 50 59 9. Compute the standard deviation for these sample data. (Round to the nearest 2 decimal places, if needed.)
1. Carefully analyze Tables 2, 3, 4 & 5, and answer the following question. In this study, one exposed group is people who are in the 15-24 age group and had the recent stressor of mental illness. What is the unexposed group for this example? 2. In terms of suicide risk, which stressors affect the elderly (65+) more than other age groups?
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