Examlex
In comparing two population means of interval data, we must decide whether the samples are independent (in which case the parameter of interest is ) or matched pairs (in which case the parameter is D) in order to select the correct test statistic.
Test Statistic
A statistic derived from the data of a sample during a hypothesis test that determines if the null hypothesis should be discarded.
Value Of F
In the context of statistical testing, it refers to the calculated statistic used in the F-test to determine whether two population variances are equal.
Regression Equation
A mathematical formula that describes the relationship between a dependent variable and one or more independent variables.
Variation
The extent to which data points in a statistical distribution or dataset differ from each other and from their average value.
Q4: A chi-squared test of a contingency
Q34: A chi-squared test of a contingency table
Q48: If the expected frequency e<sub>i</sub> for any
Q60: The width of the sampling distribution of
Q62: The formula <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4382/.jpg" alt="The formula
Q113: In one-way ANOVA, the amount of total
Q114: Tukey's multiple comparison method is based on
Q117: When the problem objective is to compare
Q126: In performing a regression analysis which of
Q204: Interpret the value of the slope of