What people are saying - Write a review
Where Do Data Come From?
Samples Good and Bad
53 other sections not shown
Other editions - View all
adults American assign average bias calculator cancer census chance chapter clinical trials coin confidence interval correlation counts density curve describe dollars effect estimate exam example explanatory variable figure was created five-number summary Gallup give heart disease histogram households income index number individuals interviewed large number least-squares line graph look lurking variables margin of error measure median million Minitab Normal curve Normal distribution opinion poll outcomes outliers P-value patients percent percentage percentile personal probability placebo plot population predict Price Index probability model quartiles questions random digits random sample randomly regression line relationship response variable sample proportion sample survey sampling distribution SAT scores scatterplot shows simple random sample simulate skewed standard deviation standard score stemplot straight-line stratified sample subjects Table tion tosses treatment Web-based exercise weight winning women