Formulas for Confidence Intervals

1- Types of data and level of measurement 2- Graphs and Tables that Represent Categorical Variables 3- Excel formulas 4- Graphs and tables that represent numerical variables 5- Graphs and Tables for Relationships Between Variables. 6- Mean, Median, Mode 7- Variance and Standard Deviation 8- Covariance and Correlation 9- Distributions 10- The Central Limit Theorem 11- Estimators and Estimates 12- Confidence Intervals and the Margin of Error 13- Student’s T Distribution 14- Formulas for Confidence Intervals 15- Scientific method 16- Hypotheses 17- Decisions You Can Take 18- Statistical Errors (Type I Error and Type II Error) 19- P-Value 20- Formulae for Hypothesis Testing 21- Basics 22- Linear regression equation 23- How to do linear regression in Excel with Analysis ToolPak 24- Interpret regression analysis output 25- How to make a linear regression graph in Excel 26- How to do regression in Excel using formulas