Calculate the critical value and the degrees of freedom Set up your equation and find the answers. Round to the nearest thousandth. Policy Attitudes\Group Treatment Group Control Group Support O=520;...

Extracted text: Calculate the critical value and the degrees of freedom Set up your equation and find the answers. Round to the nearest thousandth. Policy Attitudes\Group Treatment Group Control Group Support O=520; E=500 O=480; E=425 Oppose O=550; E=525 O=545; E=550 Neither O=530; E=545 O=450; E=450 Note: observed value (O); expected value (E)