Problem 3, Part 3d of 3 What is the safety factor for infinite life?

Problem 2, Part 1 of 3 What is the fatigue stress concentration factor?

Problem 2, Part 2a of 3 What is the distortion energy for the alternating components in units of MPa?

Question 1, Part 3b of 3: What is the safety factor for fatigue failure?

In order to receive credit for this exam, you must upload a clear picture(s) of your work.   Number your problems/work.

What size film is commonly used for a bisecting angle survey?

Build a 95% confidence interval for the effect of age on “perceived seriousness of climate change” and interpret its meaning. 

Using the 5% significance level, test the null hypothesis that the average likelihood of turnout out to vote for white males is 80%. Do you accept or reject this null hypothesis? Explain your reasoning. 

Interpret the intercept, the coefficient for ideology, and the coefficient for female

Test the null hypothesis that a 1 percentage point increase in “perceived understanding of climate change” leads to a 1 percentage point increase in “perceived seriousness of climate change” based on the results from this regression. Use a 5% significance level.