Refer to Exercise 6.

a. Generate 1000 bootstrap samples from these data. Find the 2.5 and 97.5 percentiles.

b. Compute a 95% bootstrap confidence interval for the mean compressive strength, using method 1 as described on page 386.

c. Compute a 95% bootstrap confidence interval for the mean compressive strength, using method 2 as described on page 386.

Natural Nervousness ● Provides speakers with the necessary energy to give successful presentations ● Skilled public speakers use nervousness to their advantage ● Difference between natural nervousness and intense anxiety towards public speaking ○ Anxiety more closely associated with communication apprehension and an extreme uneasiness about the prospect of giving a speech ○ Anxiety...