## Elementary Statistics

Part 4: Inferential Statistics
• 7. Statistical Inference (pdf)
• 8. Sampling Distributions (pdf)
• 9. Estimating a Proportion (pdf)
• 10. Hypothesis Tests for a Proportion (pdf)
• 11. Hypothesis Tests for Two Proportions (pdf)
• 12. Hypothesis Tests for a Mean (pdf)
• 13. Hypothesis Tests for Two Means (pdf)
Exercise Data
• 7. Statistical Inference (zip)
• 8. Sampling Distributions (zip)
• 9. Estimating a Proportion (zip)
• 10. Hypothesis Tests for a Proportion (zip)
• 11. Hypothesis Tests for Two Proportions (zip)
• 12. Hypothesis Tests for a Mean (zip)
• 13. Hypothesis Tests for Two Means (zip)
Classwork
• 7a. marbles (zip)
• 7b. procrastination (zip)
• 8a. chromosome (zip)
• 8b. sampling distribution (zip)
• 8c. rudeness (zip)
• 8d. rent (zip)
• 9a. ci proportion (zip)
• 9b. critical value (zip)
• 9c. medical residents (zip)
• 9d. bookstore (zip)
• 9e. fluoride (zip)
• 9f. baseball (zip)

Wikipedia : Morro Bay

• 10a. Morro Bay (zip)
• 10b. fish (zip)
• 10c. draft (zip)
• 10d. respect (zip)
• 10e. p-value (zip)
• 11a. science (zip)
• 11b. reservations (zip)
• 11c. air (zip)
• 11d. newspapers (zip)
• 11e. supreme court (zip)
• 12a. study time (zip)
• 12b. nitrates (zip)
• 12c. fuel (zip)
• 12d. calories (zip)
• 12e. t (zip)
• 12f. critical value (zip)
• 12g. ci (zip)
• 13a. brains (zip)
• 13b. premature (zip)
• 13c. sodium (zip)
• 13d. shovel (zip)

#### Statistical inference

• significance ... GMAT (Rmd pdf)

#### Sampling distributions

• sampling distribution of a proportion ... marbles (Rmd pdf)
• sampling distribution of a proportion ... procrastination (Rmd pdf)
• functional programming (Rmd pdf)
• sampling variability (Rmd pdf)
• sampling distribution of a sample mean ... blood platelet volume (Rmd pdf)
• sampling distribution of a sample mean ... exponential distribution (Rmd pdf)
• sampling distribution of a sample mean ... Cherry Blossom 10 Mile Run, 2012 (Rmd pdf)

#### Interval estimates

Wikipedia : Chronology of the universe

• age of the universe (Rmd pdf)
• margin of error (Rmd pdf)
• confidence interval for a proportion (Rmd pdf)
• confidence interval for the difference of two proportions (Rmd pdf)
• confidence interval for a mean (Rmd pdf)
• confidence interval for the difference of two means (independent samples) (Rmd pdf)
• confidence interval for the difference of two means (paired data) (Rmd pdf)

#### Inference, OpenIntro labs

cparrish@sewanee.edu