At a recent music concert, a survey was conducted that asked a random sample of 20 people their age and how many concerts they have attended since the beginning of the year. The following data were collected. Age Number of concerts 626575404493675545432656543411 Age Number of Concerts 443482554605594635694402381523 SUMMARY OUTPUT Reqression Statiatics Multiple R R Square Adjusted R Square Standard Error Observations 0.802030.643260.623440.9396520 DESCRIPTIVE STATISTICS Age Mean Standard Error Standard Deviation Sample Variance Count 532.18499.771195.473720 Concerts Mean Standard Error Standard Deviation Sample Variance Count 3.650.34241.53132.344720
SPEARMAN RANK CORRELATION COEFFICIENT =0.8306
ANOVA Regression Residual Total df 11819 SS 28.6571115.8928944.55 MS 28.657110.88294F32.45653 Significance F 2.1082E−05
Intercept Age Coefficients −3.011520.12569Standard Error 1.188020.02206 t Stat −2.534915.69706 P-value 0.020740.00002 Lower 95%−5.507460.07934 Upper 95% −0.51560.1720 Conduct a test of the population slope to determine at the 5% significance level whether a linear relationship exists between age and number of concerts attended.
George Fitzhugh
A nineteenth-century American social theorist known for his defense of slavery as a positive good, arguing that slavery ensured the welfare and civilization of society as a whole.
Yeoman Farmers
Small landowners (the majority of white families in the Old South) who farmed their own land and usually did not own slaves.
Urban Slaves
Refers to enslaved people who lived and worked in urban settings, often in roles different from their counterparts on plantations, such as artisans or domestic workers.
Civil War
Refers to the American Civil War, fought from 1861 to 1865, primarily over the issues of slavery and states' rights, resulting in the preservation of the Union.