A researcher surveys a random sample of 750 college students about their political views. The researcher’s survey contains questions about the following variables: Age Political Affiliation (Democrat / Republican / Other) Annual income number of hours worked per week Residential status (on-campus / off-campus) The researcher will conduct a chi-square test of independence. Which pair of variables can the researcher use? age and annual income annual income and number of hours worked per week residential status and number of hours worked per week political affiliation and residential status

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.