Calculate the Coefficient of Correlation between the values of X and Y from the dataiven below :Values of X:151617181920Values of Y:807560403020* If £dx = 0, It does not imply that Edxdy and Edx wil also be equal to zero.

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Answered: Calculate the Coefficient of…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter4: Writing Linear Equations

Section: Chapter Questions

Problem 14CR

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Respiratory Rate Researchers have found that the 95 th percentile the value at which 95% of the data are at or below for respiratory rates in breath per minute during the first 3 years of infancy are given by y=101.82411-0.0125995x+0.00013401x2 for awake infants and y=101.72858-0.0139928x+0.00017646x2 for sleeping infants, where x is the age in months. Source: Pediatrics. a. What is the domain for each function? b. For each respiratory rate, is the rate decreasing or increasing over the first 3 years of life? Hint: Is the graph of the quadratic in the exponent opening upward or downward? Where is the vertex? c. Verify your answer to part b using a graphing calculator. d. For a 1- year-old infant in the 95 th percentile, how much higher is the walking respiratory rate then the sleeping respiratory rate? e. f.

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Calculate the Coefficient of Correlation between the values of X and Y from the data iven below : Values of X: 15 16 17 18 19 20 Values of Y: 80 75 60 40 30 20 * If Edx = 0., It does not imply that Edxdy and Edr will also be equal to zero.