City planners believe that lorger cities ore populated by older residents. To investigate the relationship, data on population and medianage in 10 lorge cities were collected.Populationcity (inmillions)2.833Median ageCityChicago, ILDallas, TX31.51.2332.1443e.5Houston, TX30.9Los Angeles, CANew York, NYPhiladelphia, PAPhoenix, AZSan Antonio, TXSan biego, CASan Jose, CA3.84931.634.234.23e.78.2141.4481.51331.732.532.61.2971.257e.93eE Click here for the Excel Data Filea. Create o scotter plot of the dota. What do you observe?1. On the graph below, use the polnt tool to plot the polnt corresponding to the first Population City and its Median age(Population 1).2 Repeat the process for the remalnder of the sample (Population 2. Population 3, .. ).3. To enter exact coordinates, double-click on the polnt and enter the exact coordinates of x and y.Plot of Age and Population31-3019Population (in millions)resetb-1. Colculote the correlotion coefficient. (Round your answer to 3 decimal places.)Correlation coellicientb-2 What does it indicate about the relotionship between median age and population?The correlation coefficient indicates a weakrelationship belween papulation and median age. c-1. Compute the slope.Slopec-2 Report and interpret the coefficient of determination.Coefficient of determinationd. Write the regression equation that predicts median age.e. Is the slope of the regression line significantly different from zero?The p-value to lest if the slope af the regression line significantly different from zero is0.1901With a significance level of 0.05 and the p value, we wouldthe null hypothesis that the slope is zero.f. Summarize the results of this analysis.The results indicatelinear relationship between a city's median age and its population.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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