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. a newspaper is conducting a survey to find out peoples

favorite sport. the newspaper selects people that walk into the
georgia dome to watch the sec championship football game. is
the survey biased or unbiased?
biased

1. identify the type of sampling used:

a teacher splits her classes up by period. she then uses an rng
(random number generator) to select 10 students from each
period to participate in a survey.

Explanation:

Step1: Analyze survey bias

The sample consists of people at a football game, overrepresenting football fans, so it's biased.

Step2: Identify sampling type

The teacher divides classes into periods (strata) and samples from each stratum, which is stratified sampling.

Answer:

biased
stratified