71405345909.41015999105018121165161112422915131102821143059863Find the best regression model to predict the total expenses of a hospital. Discuss the accuracy of this model.Should both variables be included in the model? Why or why not?6. 4-25 The total expenses of a hospital are related to many factors. Two of these factors are the number of beds in thehospital and the number of admissions. Data were collected on 14 hospitals, as shown in the following table:HOSPITALNUMBER OF BEDSADMISSIONS (100s)TOTAL EXPENSES ($1,000,000s)1215775723361601275202301571354324359.146.210155933.

Answered: Image /qna-images/answer/dd85e58d-f192-408d-a71c-7c5ca10ca1d3.jpg

Answered: 4-25 The total expenses of a hospital…

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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CHAPTER 3. 1) A national health survey measured the serum HDL cholesterol levels in a large number of women. Following is a sample of 36 HDL levels (in milligrams per deciliter) that are based on the results of that survey. They have been sorted into numerical order. 25 26 26 26 27 28 33 34 36 37 37 38 41 41 42 43 44 44 44 44 45 45 45 46 46 47 50 51 56 58 64 66 68 69 80 85 (a) Find the first and third quartiles. (b) Find the median of these data. (c) Find the upper and lower outlier boundaries. (d) Are there any outliers? If so, list them. 1
A high school has 44 players on the football team. The summary of the players' weights is given in the box plot. Approximately, what is the percentage of players weighing greater than or equal to 234 pounds? 166 203 234 154 256 - 0o 150 160 170 180 | 190 200 210 220 230 240 250 260 270 00 Weight (in pounds)
Eye Color Blue Brown Green/Hazel/Other Total MALE 6 20 6 32 FEMALE 4 16 12 32 TOTAL 10 36 18 64 1. What percent of females are brown-eyed?
A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 156 28 14 129 38 216 67 665 36 64 United States P/E Ratio 12 27 27 46 23 17 28 17 28 34 19 17 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. State the null and alternative hypotheses. H0: The two populations of P/E ratios are identical.Ha: The two populations of P/E ratios are not identical.H0: The two populations of P/E ratios are not identical.Ha: The two populations of P/E ratios are identical. H0: Median for Japanese companies − Median for U.S. companies > 0Ha: Median for Japanese companies − Median for U.S. companies = 0H0: Median for Japanese companies − Median for U.S.…
Scenario: The following table lists the typing speed as measured by a standard typing test for 12 college students, along with the number of pages they had to type for their Sociological Research Methods class. Use the data to answer the Three questions listed below. Make sure that you summarize and report if the results were significant using the F ratio formula. Report your answers in the Computed Value Tables. Student Number of pages typed Typing speed Chris 37 73 Mary 6 24 Paul 12 36 Juan 24 72 Marcel 16 50 Olga 7 19 Ni 22 49 Nima 4 6 Sari 34 48 Jarrod 32 59 Kevin 17 38 Lisa 8 16 Computed Values Record the Results for each value ∑x 490 ∑y 219 ∑xy 10662 SSx 4159.66 SSy 1210.25 SP 1719.5 r 0.76636 a 1.37 b 0.41388 Regression Equation Computed values Compute and record SS residual 499.4515…
A high school has 44 players on the football team. The summary of the players' weights is given in the box plot. Approximately, what is the percentage of players weighing greater than or equal to 245 pounds? 191 217 245 164 262 - 0o 150 160 170 180 190 200 210 220 230 240 250 260 270 00 Weight unds) Answer E Tables E Keypad Keyboard Shortcuts % Submit Answer © 2022 Hawkes Learning
Scenario: The following table lists the typing speed as measured by a standard typing test for 12 college students, along with the number of pages they had to type for their Sociological Research Methods class. Use the data to answer the Three questions listed below. Make sure that you summarize and report if the results were significant using the F ratio formula. Report your answers in the Computed Value Tables. Student Number of pages typed Typing speed Chris 37 73 Mary 6 24 Paul 12 36 Juan 24 72 Marcel 16 50 Olga 7 19 Ni 22 49 Nima 4 6 Sari 34 48 Jarrod 32 59 Kevin 17 38 Lisa 8 16 Using α = .05 test the significance of the regression equation. Use the value of r (r = 0.76636) computed above to find SS residual and SS regression and round your answers to three decimal places for SS residual, SS regression, MS residual, MS regression. Round to two decimal places…
company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 155 26 19 123 36 215 61 667 35 69 United States P/E Ratio 14 21 21 45 28 11 26 11 26 39 13 11 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. Find the value of the test statistic. W = Find the p-value. (Round your answer to four decimal places.) p-value =

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