29. If you traveled to Mars, your mass would be
than your mass on Earth. *

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Could someone . i have tried to solve myself but my calculation is off

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?