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nterpret the statistical significance of these coefficients.

nterpret the statistical significance of these coefficients.

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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c) Interpret the statistical significance of these coefficients. 

Source df MS Number of obs 57 F (7, 49) 15.42 Model 396743697 7 .056677671 Prob > F 0.0000 Residual .180090581 49 .003675318 R-squared 0.6878 Adj R-squared 0.6432 Total .576834278 56 .010300612 Root MSE .06062 InLifeexpec-1 Coef. Std. Err. P>|t| [95% Conf. Interval] InGDPperca-20 .0171233 .022338 0.77 0.447 -.0277666 .0620131 InAccesstoe-u .0412851 .0293228 1.41 0.165 -.0176412 .1002114 PM25airpoll-l -.0004698 .0004525 -1.04 0.304 -.0013792 .0004395 Smokingprev~s -.0003691 .0009486 -0.39 0.699 -.0022753 .0015371 Suicidemo-100 -.0047054 .0020817 -2.26 0.028 -.0088887 -.0005221 Totalalcoho-a -.003248 .0028526 -1.14 0.260 -.0089805 .0024844 Peoplewithb-a .0015734 .0004903 3.21 0.002 .000588 .0025588 cons 3.885714 .1400801 27.74 0.000 3.604213 4.167215
Transcribed Image Text:Source df MS Number of obs 57 F (7, 49) 15.42 Model 396743697 7 .056677671 Prob > F 0.0000 Residual .180090581 49 .003675318 R-squared 0.6878 Adj R-squared 0.6432 Total .576834278 56 .010300612 Root MSE .06062 InLifeexpec-1 Coef. Std. Err. P>|t| [95% Conf. Interval] InGDPperca-20 .0171233 .022338 0.77 0.447 -.0277666 .0620131 InAccesstoe-u .0412851 .0293228 1.41 0.165 -.0176412 .1002114 PM25airpoll-l -.0004698 .0004525 -1.04 0.304 -.0013792 .0004395 Smokingprev~s -.0003691 .0009486 -0.39 0.699 -.0022753 .0015371 Suicidemo-100 -.0047054 .0020817 -2.26 0.028 -.0088887 -.0005221 Totalalcoho-a -.003248 .0028526 -1.14 0.260 -.0089805 .0024844 Peoplewithb-a .0015734 .0004903 3.21 0.002 .000588 .0025588 cons 3.885714 .1400801 27.74 0.000 3.604213 4.167215
GDP per capita based on purchasing power parity (PPP). PPP GDP is gross domestic product converted to international dollars using | 2017 international purchasing power parity rates. An intenational dollar has the same purchasing power over GDP as the U.S. dollar has in the United States. GDP at purchaser's prices is the sum of gross value added by all resident producers in the country plus any product taxes and minus any subsidies not included in the value of the products. It is calculated GDP per capita, PPP (constant $) without making deductions for depreciation of fabricated assets or for depletion and degradation of natural resources. Data are in constant |2017 international dollars. Access to electricity (% of population) Access to electricity is the percentage of population with access to electricity. Electrification data are collected from industry, national surveys, and international sources. PM2.5 air pollution, mean annual exposure | (micrograms per cubic meter) Population-weighted exposure to ambient PM2.5 pollution is defined as the average level of exposure of a nation's population to concentrations of suspended particles measuring less than 2.5 microns in aerodynamic diameter, which are capable of penetrating deep into the respiratory tract and causing severe health damage. Exposure is calculated by weighting mean annual concentrations of PM2.5 by population in both urban and rural areas. Smoking prevalence, total (ages 15+) The prevalence of smoking is the percentage of men and women ages 15 and over who currently smoke any tobacco product on a daily or non-daily basis. It excludes smokeless tobacco use. The rates are age-standardized. Suicide mortality rate (per 100,000 100,000 population. Crude suicide rate (not age-adjusted). population) The suicide mortality rate is the number of suicide deaths in a year per Total alcohol consumption per capita (liters of pure alcohol, projected estimates, 15+ years of age) Total alcohol per capita consumption is defined as the total (sum of recorded and unrecorded alcohol) amount of alcohol consumed per person (15 years of age or older) over a calendar year, in liters of pure alcohol, adjusted for tourist consumption. People with basic The percentage of people living in households that have a handwashing handwashing facilities including facilities may be fixed or mobile and include a sink with tap water, soap and water (% buckets with taps, tippy-taps, and jugs or basins designated for of population) facility with soap and water available on the premises. Handwashing handwashing. Soap includes bar soap, liquid soap, powder detergent, and soapy water but does not include ash, soil, sand or other handwashing agents.
Transcribed Image Text:GDP per capita based on purchasing power parity (PPP). PPP GDP is gross domestic product converted to international dollars using | 2017 international purchasing power parity rates. An intenational dollar has the same purchasing power over GDP as the U.S. dollar has in the United States. GDP at purchaser's prices is the sum of gross value added by all resident producers in the country plus any product taxes and minus any subsidies not included in the value of the products. It is calculated GDP per capita, PPP (constant $) without making deductions for depreciation of fabricated assets or for depletion and degradation of natural resources. Data are in constant |2017 international dollars. Access to electricity (% of population) Access to electricity is the percentage of population with access to electricity. Electrification data are collected from industry, national surveys, and international sources. PM2.5 air pollution, mean annual exposure | (micrograms per cubic meter) Population-weighted exposure to ambient PM2.5 pollution is defined as the average level of exposure of a nation's population to concentrations of suspended particles measuring less than 2.5 microns in aerodynamic diameter, which are capable of penetrating deep into the respiratory tract and causing severe health damage. Exposure is calculated by weighting mean annual concentrations of PM2.5 by population in both urban and rural areas. Smoking prevalence, total (ages 15+) The prevalence of smoking is the percentage of men and women ages 15 and over who currently smoke any tobacco product on a daily or non-daily basis. It excludes smokeless tobacco use. The rates are age-standardized. Suicide mortality rate (per 100,000 100,000 population. Crude suicide rate (not age-adjusted). population) The suicide mortality rate is the number of suicide deaths in a year per Total alcohol consumption per capita (liters of pure alcohol, projected estimates, 15+ years of age) Total alcohol per capita consumption is defined as the total (sum of recorded and unrecorded alcohol) amount of alcohol consumed per person (15 years of age or older) over a calendar year, in liters of pure alcohol, adjusted for tourist consumption. People with basic The percentage of people living in households that have a handwashing handwashing facilities including facilities may be fixed or mobile and include a sink with tap water, soap and water (% buckets with taps, tippy-taps, and jugs or basins designated for of population) facility with soap and water available on the premises. Handwashing handwashing. Soap includes bar soap, liquid soap, powder detergent, and soapy water but does not include ash, soil, sand or other handwashing agents.
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