If We Use The $x ^ { 2 }$ Method of Analysis to Test for the Differences Among 4

question 91

Multiple Choice

If we use the $x ^ { 2 }$ method of analysis to test for the differences among 4 proportions, the degrees of freedom are equal to:

• A)3
• B)4
• C)5
• D)1

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Definitions:

Density Curve

A smooth curve used in statistics to describe the distribution of a continuous probability variable; its area under the curve sums to 1.

Boxplot

A graphical representation of data that displays the distribution's quartiles and median, helping to visualize central tendency, dispersion, and outliers.

Direction

A course along which something moves, points, or faces, often implying a trend or tendency in data, processes, or movements.

Scatterplot

A type of graph used in statistics to visually display and compare two variables for a set of data, showing how much one variable is affected by another.