It Is Wise to Make a Current Backup of the Database

question 22

True/False

It is wise to make a current backup of the database before running any action query.

---

Definitions:

Parameters Estimated

The process of using sample data to estimate the values of parameters in a statistical model.

Normal Population

A population that follows a normal distribution, where the mean, median, and mode are equal, and the data symmetrically distributes around the mean.

Degrees Of Freedom

The quantity of unique variables or figures permissible in a statistical distribution adhering to set restrictions.

Chi-squared Test

A statistical method used to determine if there is a significant association between two categorical variables.