1. HS 167 Test Prep Wednesday 5/23/07; 9:45 – 12:00
Biostat
11/28/2018
HS 167 Test Prep
Wednesday 5/23/07; 9:45 – 12:00
Exercise-like problems + M/C questions
2 hours maximum
Bring to test
Clean formula handouts
z and t tables
Calculator
Pencils
Blue book
Final exam

2. 5: Intro to confidence intervals & 6: Intro to hypothesis testing
Confidence interval for μ, σ known (z procedure) and, σ not known (t procedure)
Sample size to estimate μ with margin of error d
Hypothesis testing steps
Hypothesis statements
Test statistic
P-value
Significance conclusion
H0: μ = μ0, σ known (z procedure) and σ not known (t procedure)

3. 7: Paired samples Single-, paired-, independent samples
Difference variable DELTA
Confidence interval for μd
H0: μd = 0
Power of test

4. 8: Independent samples Explanatory (group) variable Response variable
Group means and standard deviations
Pooled variance and standard error
Confidence interval for μ1 − μ2
H0: μ1 − μ2 = 0 (t procedure)

5. 9: Inference about population proportion p
Confidence interval for p, plus 4 method
Test of H0: p = p0 (z procedure)
Sample size to estimate p with margin of error d

6. 9B: Comparing two proportions
Risk difference (point estimate)
95% confidence interval for risk difference (plus 4 method)
H0: p1 − p2 = 0 (z procedure)