Problem 7E
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 can be managed Communication Apprehension Defined ● Communication apprehension is one of the most widely studied phenomena ● Communication apprehension: an individual's fear or anxiety associated with real or anticipated communication with others ● In public speaking, anxiety is heightened by concern about the outcome of the performance (being evaluated/graded) and uncertainty of th
