Hours Studied Scores on Test 3. Please respond to the following: < Hours Studied 1.0000000 < 0.2748281 Score on Test 0.2748281 1.0000000 a. What is the correlation coefficient for the relationship between hours studied and score on test? < b. If I wanted to run a statistical test, on this interval level data, to determine if this correlation coefficient is significant, what type of statistical test would I run? Please briefly explain why. 4. Please respond to the following: < a. How do outliers affect parameters, errors, variance and standard deviation of a sample? b. Are z-scores of a sample that lie in-between -1.96 and +1.96 considered outliers? Please explain. < ( 5. Why do we use standard error rather than standard deviation when calculating the z-scores for skewness and kurtosis?