Need help with statistics question Use the pizza cost and the subway fare in the table below to find the regression equation, letting pizza cost be the predictor(x) variable. (Pizza cost is in dollars per slice,, subway fare and CPI are in dollars.) What is the best predicted subway farewhen pizza costs $3.93 per slice?1986 1995 2002 2003 2009 2013 2015 20190.152 0.348 0.996 1.247 1.754 1.999 2.251 2.297 2.749 2.998Subway Fare 0.152 0.350 1.000 1.346 1.499 2.003 2.252 2.554 2.750 2.753109.6 152.4 180.0 184.0 214 5 233.0 237.0 252.2YearPizza Cost19601973CPI29.644.4The regression equation is y(Round the y-intercept to four decimal places as needed. Round the slope to three decimal places as needed.)X.The best predicted subway fare when pizza costs $3.93 per slice is $(Round to the nearest cent as needed.)

X = Pizza Cost Y= Subway Fare X Y 0.152 0.152 0.348 0.350 0.996 1 1.247 1.346 1.754…

Answered: Use the pizza cost and the subway fare…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section: Chapter Questions

Problem 18T

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Cable TV The following table shows the number C. in millions, of basic subscribers to cable TV in the indicated year These data are from the Statistical Abstract of the United States. Year 1975 1980 1985 1990 1995 2000 C 9.8 17.5 35.4 50.5 60.6 60.6 a. Use regression to find a logistic model for these data. b. By what annual percentage would you expect the number of cable subscribers to grow in the absence of limiting factors? c. The estimated number of subscribers in 2005 was 65.3million. What light does this shed on the model you found in part a?
World Population The following table shows world population N, in billions, in the given year. Year 1950 1960 1970 1980 1990 2000 2010 N 2.56 3.04 3.71 4.45 5.29 6.09 6.85 a. Use regression to find a logistic model for world population. b. What r value do these data yield for humans on planet Earth? c. According to the logistic model using these data, what is the carrying capacity of planet Earth for humans? d. According to this model, when will world population reach 90 of carrying capacity? Round to the nearest year. Note: This represents a rather naive analysis of world population.
Cellular Phone Subscribers The table shows the numbers of cellular phone subscribers y in millions in the United States from 2008 through 2013. Source: CTIA- The Wireless Association Year200820092010201120122013Number,y270286296316326336 (a) Find the least squares regression line for the data. Let x represent the year, with x=8 corresponding to 2008. (b) Use the linear regression capabilities of a graphing utility to find a linear model for the data. How does this model compare with the model obtained in part a? (c) Use the linear model to create a table of estimated values for y. Compare the estimated values with the actual data.

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