Statistics, a Foundation for Analysis |
Common terms and phrases
95-percent confidence acceptance region alternative hypothesis analysis assume average chi-square distribution coefficient of determination completely randomized design computed confidence coefficient confidence interval correlation critical value decision rule defective degrees of freedom denoted deviation of regression employees equal Example EXERCISES expected value experiment factor given H₁ independent variables interval estimate joint probability function level of confidence level of significance linear machine measure method normally distributed null hypothesis number of degrees observations obtained occurrence outcomes percent point estimate Poisson population mean population proportion population standard deviation population variance production regression line rejection region relationship sample data sample mean sample space sample statistic sampling distribution scatter diagram selected at random significant difference simple random sample standard error sum of squares table of areas test statistic Test the hypothesis treatment effects treatment means unbiased estimator variation X₁ zero Σ Υ Σ Χ σ²