Conditions
Random SRS of population.
What is the random condition?
Only one peak.
What is unimodal?
Each unit and set of units has an equal chance of being selected.
What is a simple random sample.
Standard normal probabilities.
What does Table A show?
Sources of bias.
What are Voluntary Response,Convenience Sampling, Under coverage, Non-response, Response, and Wording of the Questions?
Both number of successes and failures must be at least 10.
What is the large counts condition?
Just two peaks.
What is bimodal?
Divide population into groups, then SRS each group.
What is stratified random sampling?
T distribution of critical values.
What does Table B show?
Components of experimental design.
What are Observational Study, Experimental Unit, Factor, Response Variable, Treatment, Control Group, Placebo, Blinding, Double Blinding, Completely Randomized, Randomized Block, Matched Pairs, Confounding Variables, Randomization, and Blocking?
Residual plot shows no strong outliers or skewness.
What is the normal condition?
Centered around the left side.
Select a random location and sample everything within location.
What is a cluster?
Degrees of freedom (df)
What is on the side of Table B?
Test statistics.
What are Z-score, T-score, and Chi-square statistic?
Christmas tree free.
What is the equal standard deviation condition?
Centered around the right side.
What is skewed left?
Selecting samples based on a system of intervals in a numbered population.
What is systematic random sampling?
Confidence level (C).
What is below Table B?
Every method of statistical inference in AP Stats.
(All or nothing)
What are One proportion Z interval, Two proportion Z interval, One proportion Z test, Two proportion Z test, One sample T confidence interval, Two paired T confidence interval, Paired sample T confidence interval, One sample T test, Two sample T test, Paired sample T test, Chi-squared Test for GOF, Chi-squared Test for independence, Chi-squared Test for homogeneity, Regression T test for slope, Regression confidence interval for slope?
Needs a scatterplot and residual plot to determine if it is satisfied.
What is the linear condition?
Separated groups of dots.
What are clusters?
Portion of the population.
What is a sample?
Standard normal distribution.
What is on the side and top of Table A?
Unit 1-9.
What is the hardest unit?