Question 1 A statistic is a calculation based on sample data that estimates a population parameter. Question 1 options:

A statistic is a calculation based on sample data that estimates a population parameter.

Question 1 options:

True

False

In a statistical study, the population is the total group of interest that we hope to understand by taking a sample (smaller group) from it.

Question 2 options:

True

False

In observational research a researcher is "invisible" to the participants. They do not influence or provide treatments, advertisements, sample products, etc. that would change a participants normal behavior or decisions.

Question 3 options:

True

False

Convenience sampling is the preferred sampling method for all research because it does not introduce bias into the study.

Question 4 options:

True

False

Three measures of Central Tendency are variance, range and percentile rank.

Question 5 options:

True

False