Question: The polling organization Ipsos conducted telephone surveys in March of
The polling organization Ipsos conducted telephone surveys in March of 2004, 2005, and 2006. In each year, 1001 people age 18 or older were asked about whether they planned to use a credit card to pay federal income taxes that year. The data given in the accompanying table are from the report “Fees Keeping Taxpayers from Using Credit Cards to Make Tax Payments” (IPSOS Insight, March 24, 2006). Is there evidence that the proportion falling in the three credit card response categories is not the same for all three years? Test the relevant hypotheses using a .05 significance level.
Relevant QuestionsThe paper “Contemporary College Students and Body Piercing” (Journal of Adolescent Health : 58–61) described a survey of 450 undergraduate students at a state university in the southwestern region of the United ...The data in the accompanying table is from the paper “Gender Differences in Food Selections of Students at a Historically Black College and University” (College Student Journal : 800–806). Suppose that the data ...The 2006 Expedia Vacation Deprivation Survey (Ipsos Insight, May 18, 2006) described the results of a poll of working adults in Canada. Each person in a random sample was classified according to gender and the number of ...The color vision of birds plays a role in their foraging behavior: Birds use color to select and avoid certain types of food. The authors of the article “Colour Avoidance in Northern Bobwhites: Effects of Age, Sex, and ...Jail inmates can be classified into one of the following four categories according to the type of crime committed: violent crime, crime against property, drug offenses, and public-order offenses. Suppose that random samples ...
Post your question