The risks of rejecting a true null hypothesis or accepting a false one. Correlation and Regression Analysis
You cannot survey every customer, so you must use sampling. This section covers how to ensure your small group accurately represents the whole. Core Topics Random, stratified, and cluster sampling. ba4101 statistics for management notes pdf
Extending historical data into the future. 💡 Quick Exam Tips The risks of rejecting a true null hypothesis
Predicts the value of a dependent variable based on independent variables. Coefficient of Determination ( R2cap R squared ): How well the data fits the regression model. Time Series and Forecasting ba4101 statistics for management notes pdf
Used for "yes/no" or "success/failure" scenarios.
Summarizing data via mean, median, and mode.
Why large samples tend to follow a normal distribution.