A random sample of 507 adults is used to investigate correlation between forearm girth and bicep girth. Software gives a product moment correlation coefficient of r=0.942r=0.942r=0.942.
Describe the direction and strength of the sample linear correlation.
Explain why printed statistical tables ending at sample size 100 cannot be used directly.
State an appropriate way to complete a hypothesis test.
Explain why a statistically significant result need not imply a useful causal relationship.