Question 1: Which one of the following statements is NOT true?
A - Outliers can have a substantial impact on the correlation coefficient and should preferably be removed.
B - A Correlation coefficient r of -0.2 means that there is a weak negative relationship.
C - You can run a correlation analysis with one nominal variable and one parametric variable?
Question 2: Assume that the true weight of a unit is 100grams. You measure the weight 6 times with your measurement device. The outcome of the 6 measurements are 90= grams, 89 grams, 90 grams, 91 grams, 90 grams, 90 grams. As such, your measurement device is:
A - Precise but not accurate
B- Accurate but not precise
C - Neither accurate nor precise