Vacab list
Unit 1
Variable Categorical Variable Quantitative Variable Pie Chart Percent Degree Frequency Table Relative Frequency Table Distribution Box and Whisker Mean Median Q1 Q3 Maximum Minimum Interquartile Range 1.5 x IQR Outlier Fence Discrete variable COntinuous Variable Stem and Leaf Plot Histogram Bin Cumulative Frequency Cumulative Frequency Table Cumulative Frequency Graph Distribution Right Skewed Left Skewed Unimodal bimodal gap Standard deviation Variance robust Sum (∑) Empirical Rule Z-score Percentile Unit 6
Confidence interval Conditions Standard Error Critical Value Margin of error z* null Hypothesis Alternative hypothesis One sided Alt Hyp Two Sided alt Hyp One sample z-test Significance level p-value |
Unit 2
2-way Frequency table Relative frequency table Marginal Frequency table Side-by-side bar graph Segmented bar graph Mosaic graph Summary statistics Probability Conditional probability Associated Independent Dependent Bivariate Quantitative data Scatter Plot
Response Variable Model Least Squares Regression line Correlation Coefficient (r) Coefficient of Determination (r^2) Residuals Sres Positive Residuals Negative Residuals Random Residuals High Leverage point Influential point Transformations of Variables Unit 7
t* T-table Point Estimator |
Unit 3
Statistics Study Population Observation Study Experiment Experimental Units
Level Random Unit Simple Random Sample Stratified Random Sample Homogeneous Grouping Cluster Random Sampling Heterogeneous Grouping Systematic Random Sampling Census Bias Non Random Sampling Bias Voluntary Response Bias Undercoverage Bias NonResponse Bias Question Wording Bias Factor (Explanatory Variable) Outcome (Response Variable) Confounding Variable Well Designed Experiment
Double-Blind Experiment Placebo Blocking Matched Pairs Experiment constant Inference Statistically Significant |
Unit 4
Simulation Law of large numbers Random Phenomenon Sample Space Tree Diagram Set Notation Probability Outcome Event Complement Intersection Union Conditional Probability P(A⏐B) = P(A∩B)/P(B) Independent events P(A∩B)=P(A)xP(B) P(A) = P(A⏐B) Venn Diagram Dependent events Random Variable Discrete Random Variable Continuous Random Variable Probability Distribution Cumulative Prob Dist Expected Value (mean) Factorial Permutation Combination Binomial Probability Binomial Distribution |
Unit 5
Population Sample Population Proportion Sample Distribution Center Spread Shape 10% Condition Normal Dist Condition |