Question

question #5
determine if the following scenario is best described as an observational study, survey, or experiment.
an administrator of a school wants to test several ideas for a new school mascot. he randomly selects 50 students to view pictures of the ideas while he records their reactions.

experimental study
observational study
survey

question #6
true or false. a parameter is calculated from the population.

false
true

Explanation:

Question #5

An observational study involves observing subjects without interfering. Here, the administrator is observing students' reactions to mascot ideas without manipulating variables. A survey typically asks for responses (e.g., via questions), and an experiment manipulates variables.

A parameter is a characteristic of a population. For example, the population mean is a parameter. A statistic is calculated from a sample.

Answer:

Observational study

Question #6