The table below lists the height h (In em), the age a (In years), the gender g (0="Female", 1="Male"), and the welght w (in kg) of some college studenitsHeight Age Gender Weight181209216821681772188158235817319185We wish to fit a linear function of the formw = co + cih + cza+ ©39which predicts the welght from the rest of the data. Find the best approximation of this function, using least squares.tw = w(h, a, 9) =!3!!!

We use multiple linear regression in some spreadsheets. We can use google sheets for this.

Answered: The table below lilsts the height h in…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Marine scientists use a linear model for the speed c of sound in the oceans as a function of the salinity S at a fixed depth and temperature.† In the following table, one scientist recorded data for c and S at a depth of 500 meters and a temperature of 15 degrees Celsius. Here c is measured in meters per second and S in parts per thousand. Salinity S Sound speed c 35.0 1515.36 35.6 1516.08 36.2 1516.80 36.8 1517.62 37.4 1518.24 (a) Looking over the table, the scientist realizes that one of the entries for sound speed is in error. Which entry is it?S = What is the correct speed?c = m/sec(b) Explain in practical terms the meaning of the slope of the linear model for c in terms of S at the given depth and temperature. The slope means that, at the given depth and temperature, for an increase in salinity of part per thousand the speed of sound increases by meters per second. (c) Calculate c(38.2).c(38.2) = m/secExplain in practical terms what it means. This means…
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