Which of These Types of Sampling Is Used

question 42

Multiple Choice

which of these types of sampling is used
-The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag.

• A)Convenience
• B)Cluster
• C)Random
• D)Systematic
• E)Stratified

---

Definitions:

Least Squares

A mathematical approach used to approximate the solution of overdetermined systems, minimizing the sum of the squares of the differences between observed and estimated values.

Squared Deviations

The square of the difference between each data point and the mean, used in variance calculation.

Actual y Values

The observed or measured values of the dependent variable in a study or experiment.

Scatter Diagram

A graphical representation of two variables for a set of data, showing the relationship between them by displaying points corresponding to each data pair.