Chapter 8 – Estimation (Confidence Intervals)

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/5

flashcard set

Earn XP

Description and Tags

Vocabulary flashcards summarizing the essential confidence-interval formulas and related terms from Chapter 8.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

6 Terms

1
New cards

Confidence interval for a mean (σ known)

x̄ ± z* (σ / √n)

2
New cards

Confidence interval for a mean (σ unknown)

x̄ ± t* (s / √n)

3
New cards

Confidence interval for a population proportion

p̂ ± z* √[p̂(1 − p̂) / n]

4
New cards

Margin of error (E)

critical value × standard error

5
New cards

Point estimate of μ

sample mean (x̄)

6
New cards