Table 3.15 shows land area (in 1000 sq km) and percent living in rural areas for a

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Table 3.15 shows land area (in 1000 sq km) and percent living in rural areas for a random sample of 10 countries from the AllCountries dataset that are stored in TenCountries.

Table 3.15

MKD SRB TUN ROU SVN PRK Country BHS UZB ARM LBN 120.4 37.3 Land Area: Rural: 229.9 10.0 16.3 28.5 88.3 48.0 20.1 425.4 6

(a) Using the data in the sample, find the slope of the regression line to predict the percent of the population living in rural areas using the land area (in 1000 sq km).
(b) Using StatKey or other technology and percentiles from a bootstrap distribution of this sample, find a 95% confidence interval to estimate the true slope (for all 213 countries) for predicting percent rural using the land area.
(c) The actual population slope is essentially 0. Does your 95% confidence interval from part (b) succeed in capturing the true slope from all 213 countries?

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Statistics Unlocking The Power Of Data

ISBN: 9780470601877

1st Edition

Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

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