Question: An ecologist obtained a random sample of 85 small rural towns and a random sample of 72 small suburban towns. For each town, he calculated

An ecologist obtained a random sample of 85 small rural towns and a random sample of 72 small suburban towns. For each town, he calculated pounds of trash per resident per year that went to the landfill. What statistical test should he use to see if rural and suburban residents differ in how much trash they generate every year?

Select the appropriate statistical technique from among those in Figure 16.6.

Three or more Number of independent variables One Two Type of factors Type of samples Both between- Dependent Independen

Three or more Number of independent variables One Two Type of factors Type of samples Both between- Dependent Independent subjects The The The dependent dependent variable's level of measurement dependent variable's level of measurement variable's level of measurement Interval Interval Interval Nominal or ratio or ratio or ratio Between-subjects, Chi-square test of independence (Chapter 15) Between-subjects, two-way ANOVA (Chapter 12) Repeated- one-way ANOVA (Chapter 10) measures ANOVA (Chapter 11)

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