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A chi square (X<sup>2</sup>) statistic is used to investigate whether distributions of ... Basically categorical variable yield data in the categories and numerical ... What would happen if the number of control animals whose heart rate increased dropped to 29 ... Since our x<sup>2</sup> statistic (5.33) exceeded the critical value for 0.05 probability ... - read more

ical with three or more categories, and the other variable is continuous, then analysis ... tests of the regression slope to determine whether a relationship exists. Many ... chapter, using chi-square, shows how to test for relationships between two ..... of degrees of freedom, the value of the chi-square critical values increases as. - read more

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