Examlex
A two-way linked list has links in both directions.
Expected Frequencies
In statistical analysis, these refer to the counts predicted by a probability model or theoretical distribution, used in the comparison of observed data for goodness-of-fit tests.
Contingency Table
A table often used in statistics to show the frequency distribution of variables, helping in the analysis of the relationship between them.
Equality Of Variances
A statistical condition in which two or more groups have the same variance, often an assumption in certain tests of significance.
Test Statistic
A calculated value used in statistical hypothesis testing to determine whether to reject the null hypothesis.
Q2: What are inconsistent values,and why are they
Q4: Surrogate keys usually slow performance.
Q8: There are three types of recursive relationships:
Q13: Read-only databases are used for _.<br>A)updating<br>B)querying<br>C)data entry<br>D)user
Q17: A multivalued dependency exists when a determinant
Q35: In the MySQL Workbench,a 1:N non-identifying relationship
Q40: Explicit locks are locks that are placed
Q70: One advantage of using the CONSTRAINT command
Q75: When placing a foreign key for a
Q77: Copies of each database record or page