Biostatistics Quiz
20 questions · no time limit
0:00
PROBABILITY & DISTRIBUTIONS
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
A quality control study examines whether defect rates vary across 5 production lines. After collecting data from 1000 items (200 per line), the chi-square test yields χ2=15.8 with p = 0.003. What does this result indicate about the production process?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCDE
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end