Foot temperatures: Foot ulcers are a common problem for people with diabetes. Higher skin temperatures on the foot indicate an increased risk of ulcers. In astudy performed at the Colorado School of Mines, skin temperatures on both feet were measured, in degrees Fahrenheit, for 8 diabetic patients. The results arepresented in the following table. Use a TI-84 Plus calculator to answer the following.Left Foot Right Foot89868987787880818782868576808889Send data to ExcelPart: 0 / 4Part 1 of 4(a) Construct a scatterplot of the right foot temperature (y) versus the left foot temperature (x).

We have given: The left foot temperature: The right foot temperatureThe data is presented in the…

Answered: Foot temperatures: Foot ulcers are a…

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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A group of scientists are interested in finding out whether the days of rainfall during the spring could predict the amount of maple syrup produced in the fall. Every year for fifteen years, they count the total days of rainfall during the spring season preceding the maple syrup collection and measure the amount of maple syrup produced during the fall. Which type of statistical test should they use to analyze their data?
A bike sharing program recorded meteorological factors as part of efforts to understand factors related to bike usage on Sundays. The bike usage and the average temperature (Temp below, in degrees Celsius) on 12 consecutive Sundays is provided below. Usage Temp 2586 6.2 2886 5.3 3850 10.3 7.2 9.8 9.3 17.6 14.7 15.4 3352 3842 3665 4592 4409 4562 <
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
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The indicated IQ score, x, is
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Do various occupational groups differ in their diets? A British study of this question compared 98 drivers and 83 conductors of London double-decker buses. The conductors' jobs require more physical activity. The article reporting the study gives the data as "Mean daily consumption (+ se)." Some of the study results appear below. Drivers Total calories 2821 +44 Alcohol (grams) 0.24 0.06 Conductors 2844 +48 0.39 ± 0.11 Construct a 99% confidence interval for the difference in mean daily alcohol consumption between drivers and conductors.
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A certain virus affects 0.7% of the population. A test used to detect the virus in a person is positive 87% of the time if the person has the virus (true positive) and 14% of the time if the person does not have the virus (false positive). Fill out the remainder of the following table and use it to answer the two questions below based on a total sample of 100,000 people. Virus No Virus TotalPositive Test Negative Test Total 100,000a) Find the probability that a person has the virus given that they have tested positive. Round your answer to the nearest hundredth of a percent and do not include a percent sign. % b) Find the probability that a person does not have the virus given that they test negative. Round your answer to the nearest hundredth of a percent and do not include a percent sign. %
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