Graph the data

Imagine that you ask everyone in this class to tell you how many hours they watched TV last week and how much junk food they ate (on a 9-point scale from none to all to a great deal). You create a graph of the data, putting hours of TV watched along the x-axis on the graph. Such a graph is called a a. Scatterplot b. Post hoc comparison c. Correlation coefficient d. Line graph I believe that this is a scatterplot. Am I close?

Central tendency Muliple choice question sample ; further explanation of level of measurements

In order to decide which measure of central tendency is appropriate, you must first determine a. The appropriate graph to use and the independent variable b. The independent and dependent variables. c. How the data will be collected d. The scale of measurement being used and the shape of the distruibuion.

Two-way Anova is briefly explained.

In a two-way ANOVA, what does a cell represent?

Jane uses two different versions of the same questionnaire.

Jane uses two different versions of the same questionnaire. Onthe pretest, all the participants get version A, and on the posttest, all the participants get Version B, which differs in question order, question wording, and perspective. Jane is using a. A catch trail b. Counerbalancing c. Funnel questions d. Alternate forms I think that the answer is d. Any luck?

Sampling

Jane chooses every 20th person in the campus phone book to call for her interview study. Justin identifies important subgroups in the campus population, then selects participants so that his sample had the same proportions of each important group, as the population does. What type of sampling occurs?