What level of measurement is needed in order to use a graph? Why? What rules apply when creating an honest graph?
What will be an ideal response?
(i) Only interval level data can be graphed. (ii) Because axes have scales and require that the data also have a scale. (iii) An honest graph should include: (a) the dependent variable on the y-axis, the independent variable on the x-axis; (b) properly labeled axes, including variable names and units of measure; (c) the axes should be marked with evenly spaced intervals that make sense; (d) each data point should be marked with a dot; (e) a well-fitted line or curve should be drawn through the area of the plotted points.
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Most of the delegates to the Texas Constitutional Convention of 1875 were merchants
Indicate whether this statement is true or false.
In the analysis of a two-way factorial design, how many main effects are tested?
a. two b. three c. four d. eight e. it depends on the number of conditions