Examlex
Cross-tabulation with two variables is known as twice-tabulation.
Universal Instantiation
A logical rule that infers from the truth of a universally quantified statement about all members of a domain, the truth of that statement about any specific member.
Quantifier Negation
The process of applying negation to a statement that contains a quantifier, altering its scope and possibly changing the quantifier type (for example, from universal to existential).
Existential Generalization
A logical operation that infers the existence of at least one object in a domain that satisfies a given proposition.
Existential Instantiation
A logical rule that deduces the existence of at least one instance of a predicate from a general statement.
Q13: Which of the following primary scales of
Q21: A probability sampling technique in which the
Q26: Which of the following sections of the
Q26: All of the following are tasks a
Q37: Mathematical models are visual and pictorially represent
Q50: Researchers and field workers can make respondents
Q55: The null hypothesis is always the hypothesis
Q59: The first step in the report preparation
Q78: Area sampling relies on clustering based on
Q85: According to the text, a conversational style