Question

evaluating survey methods
maridel wants to find out how many of her classmates plan to come to the next football game. there are 800 students in her school. she selects a sample of the population by putting the names of every student into a bag and drawing out 100 names.
which statement(s) describe her sampling method? check all that apply.
□ her method will produce a biased sample.
□ her method will produce a valid sample.
□ her method will produce a random sample.
□ her method will produce a representative sample.
□ her method will produce an invalid sample.

Explanation:

• Random sample: Every student has equal chance of being selected, which matches putting all names in a bag and drawing 100.
• Valid sample: This random selection method is a standard, valid way to sample the population.
• Representative sample: A random sample of 100 from 800 students is likely to reflect the overall student population's plans for the football game.
• Biased/invalid: There is no bias in this random selection, so these are incorrect.

Answer:

Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.