Question

type your answer in exactly as one of the following: population, sample, srs, systematic, stratified, cluster, multistage, voluntary, convenience, survey, observation, experiment, undercoverage, response, nonresponse (answer the multiple choice with a uppercase letter) 1) an airline surveys passengers from a flight that is on time to determine if passengers on all flights are satisfied. is the sample biased or unbiased? 2) identify the type of sampling used: marianne wanted to know students opinion on the new schedule at school. she surveys the first 30 students who come into her class.

Explanation:

Step1: Analyze first question bias

The sample only includes passengers from an on-time flight, excluding those from delayed flights (who may have different satisfaction). This is undercoverage, making the sample biased.

Step2: Identify second sampling type

Marianne surveys the first 30 students in her class—this uses easily accessible individuals, which is convenience sampling.

Answer:

1. biased
2. convenience