In an activity wheel, experimental animals were either isolated or put together and maintained on a restricted feeding schedule. After 25 days, the animals were either alive with stabilized weights or they were dead. Test for the independence of these two conditions with a $\chi$² test. Use an $\alpha$ = .01. $$\begin{array} { l c r } & \text { Isolated } & \text { Together } \ \text { Alive } & 9 & 8 \ \text { Dead } & 1 & 12 \end{array}$$

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The Answer of In an activity wheel, experimental animals were either isolated or put together and maintained on a restricted feeding schedule. After 25 days, the animals were either alive with stabilized weights or they were dead. Test for the independence of these two conditions with a $\chi$² test. Use an $\alpha$ = .01. $$\begin{array} { l c r } & \text { Isolated } & \text { Together } \ \text { Alive } & 9 & 8 \ \text { Dead } & 1 & 12 \end{array}$$

In an Activity Wheel, Experimental Animals Were Either Isolated or Put