Question

valid report claims | misleading report claims

• 80% of students prefer the new online homework platform, based on a survey conducted among 60 students in advanced placement classes.
• 90% of students said they felt safe during school hours, based on a survey conducted among 50 students in the schools security club.
• 85% of students reported being satisfied with the schools athletic facilities, based on a survey conducted among 80 students from the schools sports teams.
• 75% of students support the new dress code policy, based on a survey conducted across a random sample of 150 students from various grade levels and clubs.

Explanation:

Analyze sampling methods for bias

• Claim 1: Surveying only AP classes to generalize about all students introduces selection bias.
• Claim 2: Surveying only the security club about school safety introduces selection bias.
• Claim 3: Surveying only sports teams about athletic facilities introduces selection bias.
• Claim 4: A random sample of 150 students across various grade levels and clubs is representative.

Categorize claims into valid and misleading

• Valid Report Claims: 75% support the dress code (random, representative sample).
• Misleading Report Claims: 80% prefer online homework (biased sample), 90% feel safe (biased sample), 85% satisfied with athletic facilities (biased sample).

Answer:

Valid Report Claims	Misleading Report Claims