Question

The discussion regarding confidence intervals for population averages in section 2 of chapter 23 reminds the reader that all the principles of confidence intervals as introduced in chapter 21 apply again here. In accordance with this fact, select all of the following statements that are true.

a) Confidence intervals are introduced in Chapter 21.
b) The principles of confidence intervals are not applicable in this context.
c) Chapter 23 focuses on a different statistical concept.
d) The reader is reminded of the application of confidence intervals in this section.

Answer 1

The principles of confidence intervals introduced in Chapter 21 apply again in Chapter 23 for calculating confidence intervals for population averages.

Step-by-step explanation:

According to the information provided, the principles of confidence intervals introduced in Chapter 21 apply again in Chapter 23. Therefore, statement a) Confidence intervals are introduced in Chapter 21, is true. Additionally, statement d) The reader is reminded of the application of confidence intervals in this section is also true. However, statement b) The principles of confidence intervals are not applicable in this context is false, as the principles do apply. Lastly, statement c) Chapter 23 focuses on a different statistical concept is also false, as it focuses on confidence intervals for population averages.