Determine whether the statement describes a population or sample.

1). The annual salaries of all the teachers in a high school.

A). Sample

B). Population

Determine if the numerical value describes a perimeter or statistic.

2). A recent poll of 2,056 corporate executives showed that the average price of their cars is $54,500.

A). Sample Statistic

B). Population parameter

Determine and indicate the level of measurement for the data.

3). The sample of bolts categorized from smallest to biggest.

A). Normal

B). Ratio

C). Ordinal

D). Interval

Identify which of these types of sampling is used:

4). A sample consists of random 25 students from a group of 496 students.

A). Stratified

B). Convenience

C). Cluster

D). Random

E). Systematic

Is the study experimental or observational?

5). A political pollster reports that her candidate has a 20% lead in the polls with 24% undecided.

A). Experimental

B). Observational