Fit a straight line trend by the method of least squares for the following consumer priceindex numbers of the industrial workers.Year20102011201220132014Index number166177198221225

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Answered: Fit a straight line trend by the method…

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

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.5: Choosing A Data Display

Problem 19E

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The datafile Gestation06 lists the average gestation period (in days) and longevity (in years) for a sample of animals, as reported in The World Almanac and Book of Facts 2006.Use the least squares line to calculate the fitted value and residual for a polar bear. [Hint: First, find the polar bear's longevity and gestation period in the datafile.]
A company forecasted demand of one of the product was 200 units in January 2020 with an increase of 10 over July month for the subsequent months up to October 2020. The Actual sales renect a 5 % lower number than the forecasted demand for each month up to June 2020 and a tog higher number than the forecasted demand forduly , August September and October 2020 The selling price per unit of the product is fwed at RO 10. What is the forecast for May 2020 using the least squares method ?A. 5415 ( Rounded olt )B. 5333 ( Rounded on )None of the given option5850 ( Rounded oft )
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Percentages of public school students in fourth and eighth grades who were above the proficiency level were given for 8 western states 4th Grade Proficiency 8th Grade Proficiency Arizona 15 21 California 11 18 Hawaii 16 16 Montana 22 37 New Mexico 13 13 Oregon 21 32 Utah 23 26 Wyoming 19 25 Construct a scatterplot and comment on any interesting characteristics Find the least squares equation. If Nevada had a 4th grade proficiency of 14%, what would you expect the 8th grade proficiency to be?
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Fit a straight line trend by the method of least squares for the following consumer price index numbers of the industrial workers. Year 2010 2011 2012 2013 2014 Index number 166 177 198 221 225