2. Consider the foot length and foot width of six female grade 4 students inMorning Star Montessori School in 2006:Length of foot(cm) Y20.9Width of foot(cm) X8.524919.67.922.68.8218.821.69.3For the next five items, refer to the problem above, in the previous page.In addition to the female grade 4 students, below are some of the boysmeasurements:Width of foot (cm) Length of foot (cm)Y22.423.422.523.223.18.48.89.79.88.99.723.74. What is the y-intercept (be) of the least squares regression line?

y is a dependent variable and x is an independent variable. The least square regression line is…

Answered: 2. Consider the foot length and foot…

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 medical researcher randomly assigns 100 high-risk heart patients into two groups. One group will get open heart surgery and the other group will get a transcatheter aortic valve replacement. She will compare the two groups to see how long they live after their procedures. What is the entity? a. the patients b. how long the patients live after their procedures c. ratio scale of measurement d. the heart procedure e. the hospital
I need the answer of question attached. Please use Excel if necessary and show the steps. Thank you!
2. Consider the foot length and foot width of six female grade 4 students in Morning Star Montessori School in 2006: Length of foot (cm) Y 20.9 Width of foot (cm) X 8.5 24 9 19.6 7.9 22.6 8.8 21 8.8 21.6 9.3 For the next five items, refer to the problem above, in the previous page. In addition to the female grade 4 students, below are some of the boys measurements: Width of foot (cm) Length of foot (cm) Y 8.4 8.8 9.7 9.8 8.9 9.7 22.4 23.4 22.5 23.2 23.1 23.7 5. What is the coefficient of determination () of the width and length of food?
11. Ms. Gregory had $300 to purchase sports equipment for summer camp. She bought 6 basketballs and 6 soccer balls. Each basketball cost $16.98, and each soccer ball cost $13.79. How much money did she have left after these purchases? O A. $184.62 O B. $115.38 O C. $269.23 O D. $184.33
Dr. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5
Answer the questions in the given problem.
5. The average cost of mini protein bars is between $30 and $60. What is the range of the number of mini protein bars that can be manufactured using this average cost?
A medical researcher randomly assigns 100 high-risk heart patients into two groups. One group will get open heart surgery and the other groups will get a transcatheter aortic valve replacement. She will compare the two groups to see how long they live after their procedures. What scale of measurement is the heart procedure? a. nominal b. ratio c. interval d. ordinal
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A soft-drink manufacturer purchases aluminum cans from an outside vendor. A random sample of 70 cans is selected from a large shipment, and each is tested for strength by applying an increasing load to the side of the can until it punctures. Of the 70 cans, 51 meet the specification for puncture resistance. a) Find a 95% confidence interval for the proportion of cans in the shipment that meet the specification. Round the answers to three decimal places. b) Find a 90% confidence interval for the proportion of cans in the shipment that meet the specification. Round the answers to three decimal places. c) Find the sample size needed for a 95% confidence interval to specify the proportion to within ±0.06. Round up the answer to the nearest integer.
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2. Consider the foot length and foot width of six female grade 4 students in Morning Star Montessori School in 2006: Length of foot (cm) Y 20.9 Width of foot (cm) X 8.5 24 9 19.6 7.9 22.6 8.8 21 8.8 21.6 9.3 d) What is the coefficient of determination?

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